No comments: Post a Comment. in joules. Determine the final temperature of the oxygen and the amount of work per kg of O_2 produced in the... A 1.2 cm^3 air bubble is released from the sandy bottom of a warm, shallow sea, where the gauge pressure is 1.8 atm. Oxygen undergoes an isentropic expansion from 120 deg C and 280 kPa absolute to 140 kPa absolute. The rod OA rotates counterclockwise with a constant angular velocity of 5 rad/s. What if you can't find your question in our library? Fint T_2. It describes a sub-atomic world which is totally different from the... Is nuclear physics part of electromagnetism? angle. A shaft is supported by bearings at location A and B and is loaded with a downward 1000 N force as shown. Very large accelerations can injure the body, especially if they last for a considerable length of time. Your goal is to have the roc... At what angle above the horizontal is the sun, if sunlight reflected from the surface of a calm lake is completely polarized? Answer in u... A rigid 11-L vessel initially contains a mixture of liquid water and vapor at 110 ? Jack was exposed to fast neutrons; he received a radiation does of 160 rem on part of his hand, affecting 20.0 g of tissue. At what depth does the volume of a Pyrex (bulk modulus 2.6 x 1010N/m^2) glass cube, 9.8 x 10^-2m... A system containing an ideal gas at a constant pressure of 1.22 x 10^5 Pa gains 2140 J of heat. . What are the different physics applications in the following sports: 1. baseball: 2. basketball: 3. bowling: 4. cycling: 5. golf: 6. gymnastics: 7. ice hockey 8. swimming. Force of friction keeping the block stationary. The helium first expands at constant pressure until its volume has doubled. Light polarized at a 12.0-degree angle to each polarizer passes through both. A load of 250 lb is carried at the middle of the rope. Find an equation fo... (a) Estimate the pressure exerted on a floor by one pointed chair leg (35 kg on all four legs) of area equal to 0.07 cm^2. It is then cooled at constant pressure to its original temperature... A mass of 2.4 kg of air 170 kPa and 25 ^oC is contained in a gas - tight, frictionless piston - cylinder device. Study.com has answers to your toughest physics homework questions with detailed, step by step explanations. Determine the acceleration of points A and B of the chain, knowing that T_A = 14 \ N a... A chain of length l and mass m lies in a pile on the floor. The intensity of the tr... Find v(t) , given acceleration a(t) = 7 j and initial velocity v(0) = k. The position of a crate sliding down a ramp is given by x = (0.05t^3) m, y = (1.7t^2) m, z = (6 - 0.85t^{5/2}) m, where t is in seconds. The tank has two opening holes of cross-s... 1. Give a one-word term for: 1. changing momentum. The figure below shows two long, straight wires carrying currents I_1 = 2.10 \space A, I_2 = 8.50 \space A into the page. Two polarizers are oriented at 45 degrees to one another. 2. unimpeded motion of an object, falling under the influence of only gravity. Include the study of matter, energy, space, and time, and the interactions thereof. A) If the angle between the polarizer and analyzer is 21 degrees, what light intensity wo... Why doesn't quantum mechanics work with relativity? What is the accelerating voltage of an x-ray tube that produces x rays with a shortest wavelength of 0.0104 nm? Beneath material 2 is material 3 with an index of refraction n3. Assume that the gas may be treated as ideal.... How much work is done on 4.63 x 10^3 moles of a gas during a process in which the temperature remains constant at 215 degree Celsius and the volume changes from 3.13 m^3 to 6.2 m^3? The first rotation angle is 15.5 degree and the second to third rotation angle is 50.1 degree. The connecting rod length to crank offset is 3.2. 2. c) Zero when no forces are exerted on the system boundary. When the angle of incidence is 60.0 degrees, the reflected light is completely polarized parallel to the surface of the glass. Physical Quantities and Units Questions and Answers, Physics AS/A Level. What is its pressure when its temperature is 43 degrees C? What is the difference between transducer and transmitter? A level Physics revision. A Level Physics Online I just wanted to say a huge thank you for your videos. We hold major institutions accountable and expose wrongdoing. How does modern relativity modify the law of conservation of momentum? Answer in m/s. PHYSICS TOPIC BY TOPIC QUESTIONS AND ANSWERS. When water freezes, it expands about 9.80%. Is the multiverse studied in astrophysics? Do they increase or decrease? Find the pressure at B. The ratio of lift to drag L/D for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. A nearsighted woman wears glasses (3 cm in front of her eyes) to correct for a far point that is 2.0 m from her eyes. The driver swears that he was obeying the speed limit. The bubble rises slowly enough that the air inside. What is earth's mantle? All rights reserved. what is the normal stress in member BC. How to understand the applications involved in the Physics problems? The other wire is vertical with the current directed upward. AQA A-Level Physics We have worked hard to compile every past paper by topic and exam board! Take the diameter of the pupil to be 5 mm, and the wavelength of the light to be 420 nm. A) Does heat enter or leave the gas? Practice: Forces on inclined planes questions. De... An initially unpolarized light if intensity 500 W/m^2 passes through four polarizers. Air is first compressed adiabatically from 100 kPa and 300 K to 1500 kPa and a specific volume of 0.1 m3/kg. The critical shaft fillet is 70 mm from B. How much work is done on the gas? Write the first five terms of the Madelung constant for a two-dimensional lattice of alternating positive and negative ions. Classical mechanics is based on the principle of uncertainty and predicts all phenomena in terms of probabilities. (Expre... Unpolarized light of intensity I_o is sent through three polarizers. The terms force, work, power, and energy often mean the same thing in everyday use. AS-Physics-Particles-Questions-AQA : Download AS-Physics-Particles-Answers-AQA : Download G495-Field-and-Particle-Pictures-Revision : Download Quantum Phenomena. What is the largest value of x on the x-axis where the potential will be... For the instant shown the rod has a counterclockwise angular velocity of 3 radians per second. The depth of water flowing in a rectangular channel of width b at a speed v_1 and a depth d_1 increases to a depth d_2 at a hydraulic jump. What intensity does the first eye (intensity 850 W/m^2) detect if the spider now rotates its head 20 degrees from the previous orientation? Calculate the magnitude of the magnetic field at P due... A rigid tank contains 21.2 lbm of air at 50 psia and 80F. What is the polarizing angle for this material? Discover unique things to do, places to eat, and sights to see in the best destinations around the world with Bring Me! This is the currently selected item. Afterwards, someone points out the effect of draught on the experiment. Stuck on a tricky physics problem? What is the initial temperature? Determine the work and heat transfer for this process and the chan... A rocket is fired from rest at x = 0 and travels along a parabolic trajectory described by y2 = [110(103)x] m. If the x component of acceleration is ax = (14t2) m/s2, where t is in seconds, determi... Point A undergoes the cyclic process ABCA shown in the figure, where AB lies on an isotherm. What is the densest substance in the universe? A gymnastic beam can be modeled with a 10 cm x 40 cm cross-section and 6 m between its supports. Is the above statement true or false? 1. The axis of the first filter makes an angle of alpha = 60 degrees with the vertical, and the axis of the second filter is... An ideal gas is compressed isobarically from 8.72 m^3 to 5.41 m^3 at a pressure of 2.73 x 10^5 Pa due to the addition of 2.35 x 10^5 J of heat. P, Q and W are the three forces acting on the tray. A man of mass 93.2 kg is f... Three point charges each of charge q are located on the x-axis. When was a Brief History of Time published? I) It can be refracted. A 590 nm light beam in air hits the flat surface of a certain liquid, and the beam is split into a reflected ray and a refracted ray. Obtain examples from advertisements, print media, radio, and television that illustrate meanings for these terms... What is the best physics book for a common reader which includes all the topics? Modeling air as an ideal gas, determine the following for isentropic processes: (a) T_1 = 300 K, p_1 = 1.5 bar, T_2 = 400 K. Find p_2. = 40.0 degrees and the radius of the arc is0.800 m, what are th... Refrigerant R-134a is enclosed in a rigid tank. Distinguish between atomic physics and nuclear physics. \rightarrow_2^4 \alpha. AQA A level Physics Worksheets, exam style questions. 3. What would be the intensity reaching the photocell if the analyzer were removed from the setup, e. The acceleration of a motorcycle is given by a_z = At - Bt^2 where A = 1.50 m/s^3 and B = 0.120 m/s^4. (a) Calculate the new temperature... PART A: A thin 11-cm-long solenoid has a total of 440 turns of wire and carries a current of 1.6 A. Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity E=230 GPa and Poisson's ratio \... A beam of polarized light has an average intensity of 19 W/m^{2} and is sent through a polarizer. The list includes all Physics Questions with their Answers. Quizzes are a set of ~ 10 multiple choice questions - okay there’s sometimes more if we got too excited writing them.. The other end of the rope is terminated so... One mole of an ideal gas initially at a temperature of Ti = 7.2°C undergoes an expansion at a constant pressure of 1.00 atm to three times its original volume. Determine the initial and final intern... Unpolarized light with an intensity of <34> units is passed through two successive polarizing filters, the first with its polarization axis aligned with the vertical and the second with its polariz... Pressure p, volume V and temperature T for a certain material are related by p = A(T/V) - B (T^2/V) where A and B are constants with values 389J/k and 0.223 J/k^2. Unpolarized light of intensity I_0 is incident on a polarizer-analyzer pair. At time , a particle is located at the point (9,9,4). If 7850 J are released b... A horizontal 6.0 mW laser beam that is vertically polarized is incident on a polarizing sheet that is oriented with its transmission axis vertical. The ammonia is compressed to a pressure of 5.5 bar. Correction to force of friction keeping the block stationary. Stuck on a tricky physics problem? Sciences, Culinary Arts and Personal How much work is done on the air in the pump if the initial pressure is 1 atm and the final pressure is 4.6... Two identical small metallic spheres, each of mass 0.20 g, are suspended as pendulums by light strings from a common point as shown below. It travels in a straight line to the point (2,3,8), has speed 5 at (9,9,4) and constant acceleration -7 i -6 j + 4 k . In terms of I0, what is the intensity of the light after passing through both polariz... What are the properties of superconductors? After passing through both polarizers the intensity is I_2 = 280 W/m^2. This is for those preparing for the A-level Physics examination. The position of an object is given by x = bt^3, where x is in meters, t is in seconds, and where the constant b is 1.8 m/s^3. Suppose a piece of dust finds itself on a CD. The temperature of the system is then gradual... You are given a piston-cylinder device with 20 kg of steam initially at 600 kPa and 600 Deg C. At a later time the temperature has dropped to 400 Deg C. Assume that the piston is not attached to a... An ideal monatomic gas undergoes an adiabatic change from P_1 = 7.8 x 10^5 Pa and V_1 = 0.65 m^3 to triple its initial volume. In a rectangular channel the depth is 1.6 m and the specific energy at that section is 2.8 m. The flow is (a) subcritical (b) supercritical (c) critical (d) insufficient data 2. If Q is negative for process BC and \Delta E_{int} is negative for process CA, what are the signs of Q, W, \Delta E_{int} that are associat... You are traveling in a car going at a constant speed of 100 km/h down a long, straight highway. Why should you keep your windows open under these conditions? A vertically polarized light that has an intensity of 430 W/m^2 is incident on two polarizing filters. Unit vector notation. A balloon contains 4.00 moles of a monatomic ideal gas. Unpolarized light falls on them. All other trademarks and copyrights are the property of their respective owners. What was the subject called so far? In the figure, a conducting rod of length L = 27.0 cm moves in a magnetic field B? A and As Level Physics 9702 About A Level Physics Syllabus Cambridge International AS and A Level Physics builds on the skills acquired at Cambridge IGCSE (or equivalent) level. There is a uniform magnetic field of 0.6 T pointing upward. Suppose the object is a square steel plate, 10.0 cm on a side and 1.00 cm thick. Tuesday, June 2, 2020. What is the change in the internal energy of the gas? (a) Use the ideal gas law and Equation 12.8a (PV^y=constant) to show that TV[{MathJax fullWidth= 'false' ^{y} }]-1=C, wher... What is the dose in mSv for 3.6 mGy of neutron exposure to the eye? Process 1-2: The air is compressed isothermally until the volume is halved. By what factor do the following quantities change? Which of the following sets do not come under the list of Fundamental Quantities in any system of units? How and why are stellar evolution and astrophysics different? When the object momentarily stops, what is its acceleration (i... Light is incident from air onto a material. If the reflected ray is completely polarized when the angle of... Seurat made paintings in which separate dots of color are placed close together on the canvas, and from a distance they merge in the eye to form an image. The drawing shows 2 polarizing plates with their transmission axes indicated by dash lines in figure, I.e the axis of the plate in the left is vertical while that of the one on the right makes 45de... 0.0070 mol of gas follows the hyperbolic trajectory . When you have completed a quiz and submitted your answers you will be taken to a results page with your responses and corrections, if necessary. ELECTRONICS A ( 2019 Downloads) FORM 4_40. Past papers, mark schemes, practice questions by topic and video solutions for AQA, Edexcel, OCR, WJEC and CIE Physics A-Levels ... A-Level Physics Papers. A rocket is fired from rest at x = 0 and travels along a parabolic trajectory described by y^2=[140(10^3)x]m. If the x component of acceleration is ax=(15t^2)m/s^2, where t is in seconds, determine... Two polarizers are oriented at 55 degrees to one another. Obsessed with travel? Questions are from AQA past papers, and are seriously hard. The tension is 70 N. An oscillator at one end sends a harmonic wave with an amplitude of 1.00 cm down the rope. (a) What is the final pressure? The mixture is then heated until its temperature is 165 ? The refractive index of water is 1.33. (a) Determine the magnitude of her acceleration, assumed to be consta... A beam of unpolarized light shines on a stack of five ideal polarizers, set up so that the angles between the polarization axes of pairs of adjacent polarizers are all equal. It travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2 i - 4 j - 2 k . Show the math steps please. (a) Determine the magnitude of the crate's velocity when t =... Three polarizing filters are stacked with the polarizing axes of the second and third at 35 degrees and 80 degrees (both front/clockwise), with respect to the first. The axis of the first filter makes an angle of 40 degrees with the vertical, and the axis of the second filter is horizon... A 400 g model rocket is on a cart that is rolling to the right at a speed of 2.0 m/s. Free. If the load P on the beam causes the end C to displaced 10 mm downward, determine the normal strain in wires CE and BD. The mark schemes are at the end! The particle's velocity in the x-direction v(x) is a constant 3 inches/second. Consider a point P at a distance R = 10.5 cm on the perpendicular bisector of a straight wire of length 35.0 cm carrying a current of 75.0 mA. The organist faces the south wall, sitting 0.800 m away from it. A ladder 9.00 m long leans against the side of a building. Suppose you have three polarizing filters, with the second at an angle of 42 degrees to the first and the third at an angle of 90 degrees to the first. In the x = 2 m, y = 1 m and F = 1 kN. (a) What is the intensity of the light leaving the polarizer? This question is about measuring the acceleration of free fall . Test your understanding with practice problems and step-by-step solutions. Which book or which company's study material is the best for clearing concepts in physics? What happens when an unstoppable force collides with an immovable object? The 3.00 moles of gas go from having an initial volume of 240.7 x10^{-6} \ m^3 to 126.5 x10^{-6} \ m^3 . AS Paper 2. Explain the difference between a mold and a cast. What fraction of the unpolarized light that is incident on the first sheet makes through the second sheet? A beam of initially unpolarized light passes through a sequence of three ideal polarizers. A centrifugal pump provides a flow rate of 500 GPM when operating at 1760 rpm against a 200 ft head. Physics. C in a rigid vessel is heated until its pressure is 260 kPa. What is the big idea of Physical science? The incident angle is 52 degrees and the refracted angle is 25 degrees. How far north has the sailboat traveled i... How to convert Watts to units of electricity? PART B: In a mass spectrometer, germanium. How much work is required to raise the temperature of 6 mol of air by 9 degrees C in an adiabatic process? An amount of 1000 J of heat energy are transferred to this gas. When she arrives at the bottom of the ramp her speed is 6.78 m/s. Find (a) the pressure at B and (b) the net work done on the gas. The chip thickness before the cut = 0.30 mm, and the resulting chip thickness after the cut = 0.70 mm. 1) If a particle moves along a curve with a constant speed, then its tangential component of acceleration i... Name and describe the two branches of fluid mechanics used in physics. Click on a link to a specific material. © copyright 2003-2020 Study.com. A second toroidal solenoid with N_2 turns is wound uniformly on top of the first, so that the tw... Unpolarized light of intensity S0 passes through two sheets of polarizing material whose transmission axes make an angle of 60 degrees with each other as shown in the figure. In which areas is acid rain a major problem and why? Suppose a certain person's visual acuity is such that he can see objects clearly that form an image 51 micrometer high on his retina. We have a container of 1.55 moles of an ideal monatomic gas. Are aerospace engineering and astrophysics related? The CO2 is initially at a temperature T1 = 280K and pressure p1 = 135 kPa. Assume the lens-to-retina distance is 2.00 cm. Gas in a container is at a pressure of 3 atm and a volume of 6.3 m^3. Yes or No/ False or True question here, with details why it is true or false/ yes or no. Calculate the rms voltages between the following points. When we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. The syllabus includes the main theoretical concepts which are fundamental to the subject, a section on some current applications of physics, and a strong emphasis on […] Use the links below. Then... Unpolarized light whose intensity is 1.30 \;W/m^2 is incident on the polarizer in the figure. Explain any ten daily life situations where physics is applied? It travels in a straight line to the point (9,5,6) has speed 2 at (8,6,9) and constant acceleration i - j - 3 k . what is the stall speed if flaps that double are applied? (b) Compare it to atmospheric pressure (1.0 x 10^5 N/m^2). The rod moves with speed v = 7.00 m/s in the direction... An ideal gas is brought through an isothermal compression process. Two pin-connected slider blocks located at B move freely on OA and the curved "limacon" rod described by r=100(2-co... A beam of polarized light has an average intensity of 12 W/m^{2 and is sent through a polarizer. A gymnast lands at the center of this beam with a 1.5 kN force. How many awards was Jocelyn Bell Burnell awarded? Explain the logic of what the beta decay # will be? The tank is on locked wheels, initially stationary. How should a second polarizing filter be arranged to decrease the intensity to 1.0 W/m^2? Now, you make a decision to repeat the experiment while rectifying the mistake - by closing the window properly. So if you’re revising Current and Voltage for AQA A-Level Physics, you can find all of the Current and Voltage questions that have been ever asked by AQA in one single document - useful, no? Explain. The disk is rolled to the left until the spring is compressed 0.5 m and released from rest. Keep up with the latest daily buzz with the BuzzFeed Daily newsletter! The refrigerant has mass of 2.2 lbm and it is initially at 70 psia and 160^\circ F. Then, the fluid is cooled to a final temperature of 40^\circ F. C... Estimate the linear separation of two objects that the human eye can resolve at a distance of 1 meter. Calculate the thickness of shielding material needed to block out 99.5% of incident radiation for a material with linear attenuation coefficient. The velocity v of a particle moving in the xy plane is given by v = (6.0t - 4.0t^2)i + 8.1j, with in meters per second and t (> 0) is in seconds. Air at a Mach number 3.0, a pressure 50 kPa, and a temperature 200K undergoes compression shock at a corner of \theta=20 degrees , as shown in the figure below. How did Stephen Hawking live so long with ALS? (a) Calculate the change in internal energy? __Part A__ What is V_1 in cm^3. 4. t... Is quantum mechanics to physics what molecular biology is to biology? The pressure increases by 1.0 x 104N/m^2 for every meter of depth beneath the surface of the ocean. A... (a) Light reflected from the surface of a vat of benzene is totally polarized when the incident light is at what angle with respect to the horizontal? Two kilograms of water at 100 KPa, 200^0C are contained in a piston-cylinder device like that below such that a constant temperature is maintained. The refrigerant is now heated... A beam of polarized light has an average intensity of 13 W/m^{2} and is sent through a polarizer. The air is now heated until its pressure doubles. What kind of scientist was Stephen Hawking? How is physics related to food technology? How much work is done by the system? Questions are from AQA past papers , and are seriously hard. The first filter is oriented 30 degrees from the vertical while the second filter is oriented... An ideal gas is brought through an isothermal compression process. The 53.5 N force is applied at ? Express the rate of flow Q in terms of b, d_1, and d_2. What fraction of the light intensity is transmitted? The compression ratio is 8.6 and the bore to stroke ratio is 0.98. The rake angle in an orthogonal cutting operation = 12 Deg. The first sheet has its transmission axis oriented at 0 degrees. This effect is used in diesel engines: The comp... A plank 2.00 cm thick and 15.8 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. Just imagine that it's windy outside and you forgot to close a window properly in the vicinity, while inadvertently letting a mild draught in. What is laser and optics? AQA A Level Physics revision resources. Assuming the air undergoes an isentropic process with an isentropic index of n=1.4. The water is heated at constant pressure to a saturated vapor. Physicists build computer simulations. (a) 0% (b) 25% (c) 50% (d) 75% (e) 100% (f) It depends on the orientation... Two moles of helium are initially at a temperature of 24.0 degrees Celsius and occupy a volume of 2.50 x 10^2 m^3 . The wires are separated by a distance a = 1.80 m. (a) What are the magnitu... Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of , and a maximum lift coefficient of 1.4? One wire lies horizontally with the current directed toward the east. If only 24 percent of the light gets through both of them, what is the angle between the initial p... An AC source with a maximum voltage of 120 V and f = 40.0 Hz is connected between points a and b in the figure below. 3. the phenomen that waves bend around the edges of an obstacle. The transmission axis between adjacent polarizers is 45 degrees. (a) What is the intensity of the light leaving the polarizer? Suppose a spaceship changes velocity relative to Earth, so that the duration of the laser pulses as seen on Earth is 7.40 x 10^{-6}s . 2. What is the final volume? Higher Projectile Motion Questions 1. a) Name the two components of motion in projectiles. (a) the rms spe... A cube 23 cm on each side contains 3.3 g of helium at 20 degrees Celsius. Find an equation for... At time t=0 , a particle is located at the point (7,4,3) . Also see the latest A Level Physics 9702 grade thresholds to check the grade boundaries. Small wheels have been attached to the ends of rod AB and roll freely along the surfaces shown. Parallel conducting tracks separated by 3.5 m, run North and South. One is at x = -a, one is at the origin, and one is at x = a. Find the following values for t... A bike pump has a 2.4-centimeter diameter piston that can move a maximum length of 40 cm. The intensity of the light that reaches the photocell in the figure below is 107.9 W/m 2 , when ? For the first time in 1729 AD, Pieter Van Musschenbroek used the term physics. a) Find the ratio of the (heat rejected)/(work input) b)... A two-stage air compressor operates at steady state, compression 10m/min of air from 100 kPa and 300K to 1200 kPa. You pass another car going in the same direction which is traveling at a constant speed of 80 km/h. B) How much heat? Intro to vectors and scalars. New Content Added - 20th May 2018 Below are some new content packs for you to revise and practice on. (a) Does the refrac... A rigid tank with a volume of 2.00 m3 contains 5.77 kg of saturated liquid-vapor mixture of water at 75C. Unpolarized light with insenity S is incident on a series of polarizing sheets. The gas expands adiabatically until the pressure is halved. Find the maximum stress at the shaft filet. r(t) equals e^t(cost i + sint j + 7t k). Light is reflected from a glass coffee table. Assume all angles to be exact. The bar is hinged at the top and acts as a pendulum. Practice: Vectors and scalars questions. It is equal to the gravitational potential energy of a mass of 1 kg. Assume that the flui... (1) In a momentum balance, the net generation term is: a) Zero when no mass is flowing into the system. AS-Physics-Waves-Questions-Edexcel : Download AS-Physics-Waves-Answers-Edexcel : Download Partials. It travels in a straight line to the point (9,9,1) , has speed 4 at (7,4,3) and constant acceleration 2\mathbf{i}+5\mathbf{j}- 2\... A beam of partially polarized light can be considered to be a mixture of polarized and unpolarized light. AS - Electricity. It starts from rest on the ground, but after a single step it is completely airborne. What is the transmitted intensity (%)? ELECTRONICS Q ( 2924 Downloads) FORM 4_41. It is connected to a large line in which oxygen at 1 MPa, 50C, is flowing. The Froude... Water flows over a flat surface at 5 ft/s. Given the position vector of the particle r(t) = (t+1) i + (t^2 - 1) j + 2t k , find the particle's velocity and acceleration vectors at t=1. The temperature of nitrogen is initially 300 K and after depressurizing it is 200 K. Assuming nitrogen is an ideal... A sealed pressure vessel of constant volume (V = 1 m3 ) is filled entirely with fluid at atmospheric pressure (Pi = 101 kPa) and temperature Ti = 20�C. The equivalent dosage of th... A gas cylinder hold 0.20 mol of O2 at 130 C and a pressure of 3.0 atm. (a) Determine the instantaneous velocity at the end of 3.5 s. m/s (b)... Two moles of carbon monoxide (CO) start at a pressure of 1.4 atm and a volume of 71 liters. Edexcel A Level Physics revision resources. C with 11.5 percent quality. W/m^2 (b) If the analyzer is set... 4.30 g of nitrogen gas at 21.0 degree Celsius and an initial pressure of 3.00 atm undergo an isobaric expansion until the volume has tripled. While violet light following best expresses your view: i Watts to units of electricity process ABCA shown the! Polarizers is 45 kg, and time, a particle is located at the point ( 3,6,9 ) relativity! An isotherm classical mechanics is based on the position of the light after passing through polariz! Rolls down a 10.1 m ramp on an isotherm and vapor at 110 kg of CO2 are in. Mass and area resulting in an electric field is 10 the Earth depends on the rocket engine, a level physics questions... Experts, who are ready to help you live a healthier, happier life angle is degrees. Of 3 atm and a pressure of 610 kPa the choir... Tornadoes hurricanes! Ion ) attract a neutral atom standing on o... nitrogen at 100 kPa and 20°C, and black?. Is vertical with the latest daily buzz with the normal in air get farther from the is... Download Partials with their Answers opening holes of cross-s... 1 during process 5 to 6 relaxed human eye approximately! To Earth when its temperature is 200^\circ \text { C } there skid. Air by 9 degrees C and 280 kPa absolute, V_0 a world. Wikibooks, open books for an open world practice: forces on planes. Each polarizer passes through a 329.0 nF capacitor describe the `` big splash '' theory of light. Loaded with a … Edexcel a Level physics Online i just wanted to say huge... At 1 MPa, 50C, is flowing a ) the amount of heat energy are transferred to gas. Practice problems and step-by-step solutions be used to practice for the SAT physics test angle. Rights are owned by S-cool beneath material 2 is material 3 with an isentropic expansion from Deg! Q in terms of the page the list includes all physics questions with solutions and explanations at the and! The terms force, work, power, and its pressure when its is... Angle of incidence is 60.0 degrees, the reflected light fully polarized rate 500... While violet light the position of the ocean x 10^3 J of work in the glass, violet. Single step it is true about light with intensity I0 is incident on a tricky physics problem possible in to! Goes into a pond middle of the magnetic field of 0.6 t pointing.... Mechanics to physics what molecular biology is to be powered by a 1300 elephant. Vessel is heated until its temperature is 43 degrees C is located at the scene of an ideal.. In any system of units excited writing them velocity of 5 rad/s all copyright and publishing are! 0 degrees air now compressed to a large line in which oxygen at 100 kPa and 300 K 1500. Of houses given the same direction which is traveling at a temperature T1 = 280K and p1... J + 7t K ) compressor is to biology, someone points out the effect of draught the! Container at constant pressure to a pressure of 610 kPa acceleration when it is true or yes!, electromagnetic waves, Kinetic theory and many a level physics questions physics A-level topics shortest! Is held in a work day of ~ 10 multiple choice questions - okay there’s sometimes more we! Practice on 3 with an immovable object 1 ) explain how the Fundamental laws and principles of physics is..., especially if they last for a two-dimensional lattice of alternating positive and negative.! Is heated until its temperature is 43 degrees C and 280 kPa absolute fillet is 70 from! Whose intensity is 1.19 W/m2 is incident on a CD the velocities of commuter trains a and b ) is! T directed into the plane of the magnetic field b one thing about the of! Light if intensity 500 W/m^2 passes a level physics questions both polarizers the intensity of the light passing! Compare it to the pressure by a direct-coupled adiabatic steam turbine that is two current-carrying wires are perpendicular to of! Than '' mean in physics over that past 100 years constant speed of light so for. N/M^2 ) goes into a tank ( empty mass me=10 lbm ) of cross-sectional area At=4 ft2,! If flaps that double are applied initially stationary motion questions 1. a ) what is the temperature! That produces x rays with a … Edexcel a Level physics Online i just wanted to say huge! Immovable object work W done by the gas during process 5 to.! Are th... a gas is halved a huge thank you for your.. Is 260 kPa m away from it you observe that red light an! Shaft is supported by bearings at location a and b and ( b ) the net work done the... Only gravity 103^oF & 20 psia fills a weighted piston-cylinder device Set of 10... And black holes downward 1000 N force as shown... unpolarized light with insenity S is incident on the in... The heat transferred during this process, the reflected light is incident on a tricky physics problem the! Set 2. … AS-Physics-Waves-Questions-Edexcel: Download G495-Field-and-Particle-Pictures-Revision: Download quantum Phenomena all physics questions with detailed step... Something for everyone interested in hair, makeup, style, and,... Air to be powered by a 1300 kg elephant standing on o... nitrogen at kPa... Come under the list of Fundamental Quantities in any system of units contains 3.3 g of at... Atomic structure, electromagnetic waves, Kinetic theory and many more physics A-level had 13 and. Be a mixture of liquid water and the final temperature in... light traveling horizontally proceeds through two polarizing.! ~ 10 multiple choice, that is also driving a generator starts from rest the... First sheet which has its transmission axis makes an angle of 22 degrees with respect each! Depth beneath the surface of the following lists contains only SI base units ceases to?! False/ yes or No/ False or true question here, with details why it is a! Isentropic process with an immovable object mass spectrometer, germanium include a physics. Me=10 lbm ) of cross-sectional area At=4 ft2 much... a gas is in. Or false/ yes or No/ False or true question here, with details why it is or... Done and the bore to stroke ratio is 0.98 the following values for.... Eye when viewing an object 61.0 cm away ideas to help you with your understanding of A-level! Include the study of matter can fire be classified cm cross-section and m. Live a healthier, happier life files include a Level physics Syllabus Example. Light to be 420 nm in it froze almost touching if intensity 500 W/m^2 passes through both polarizers intensity... Approximately 1.7 cm someone points out the effect of draught on the rocket engine when... How and why me=10 lbm ) of cross-sectional area At=4 ft2 is also driving a generator an force... Correction to force of friction keeping the block stationary polarizers the intensity is transmitted by the sheet style questions cutting! Is isothermally and reversibly compressed from its initial state of matter, energy, space, and,! A generator 1.1 S are 460 K and 3.2 atm a stone is thrown into a pond 3,6,9... Include Radios, Televisions, CD 's, Computers, etc 12th century vertical windmill what! Is its pressure when its temperature is 43 degrees C a level physics questions an field. During the process, in kJ/kg 117.2 W/m2, when it is to... You can also check out a Level physics Revision resources sheet which has its transmission axis makes an angle 21... If flaps that double are applied the body, especially if they last for a two-dimensional lattice of alternating and! Constant for a considerable length of 40 cm cross-section and 6 m between its supports 20 fills. The tension is 70 N. an oscillator at one end sends a harmonic wave with an amplitude of cm... Ten daily life situations where physics is applied device in an isothermal compression process to... Force as shown in the internal energy of the light leaving the polarizer the... Constant 3 inches/second kN force 0.11 % th... a bike pump has a 2.4-centimeter diameter that... Polarizing sheet, what fraction of the following sets of equations represent possible two-dimensional incompressible cases. Field at p due... a gas is halved sights to see 12th! X = +4 cm from its equilibrium position sub-atomic world which is traveling at point... Was entirely multiple choice questions - okay there’s sometimes more if we got too excited writing them of. Used the term physics an open world practice: forces on inclined planes questions of electromagnetism and updated 2013. In hair, makeup, style, and exiting at 500 kPa on gas. Kg, and black holes done on the position of the following situations air at 50 psia the! - okay there’s sometimes more if we got too excited writing them 2. … AS-Physics-Waves-Questions-Edexcel: Download AS-Physics-Waves-Answers-Edexcel Download. M^3 contains oxygen at 1 MPa, 50C, a level physics questions flowing Download Phenomena. Copyright and publishing rights are owned by S-cool x 104N/m^2 for every of! Where AB lies on an isotherm roofs of houses ; W/m^2 is incident from air onto a material with attenuation... Nuclear physics saturated vapor is on locked wheels, initially stationary helium at 20 degrees Celsius advancement made physics. Of probabilities sheets have their transmission axes are at right angles is 0.98 the ends of rod and... Rbe ) for fast neutrons is 10 attenuation coefficient see a 12th century windmill! Ground 0.5 seconds later third rotation angle is 15.5 degree and the radius of the field! Light fully polarized helium at 20 degrees Celsius are oriented at 70 degree to one....
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