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In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.4° from a free electron that is initially at rest. The electron recoils with a speed of 2150 km/s.
(a) Calculate the wavelength of the incident photon.
(b) Calculate the angle through which the electron scatters.
A professor's office door is 0.90m wide, 2.2m high, 4.2cm thick; has a mass of 28kg , and pivots on frictionless hinges. What is the moment of inertia of the door
A 188.0 g piece of lead is heated to 81.0oC and then dropped into a calorimeter containing 692.0 g of water that initally is at 21.0oC.
A molecule of water vapor causes an electricfield in the surrounding space as if it were an electricdipole. Derive an expression for the electric field due to an electric dipole at a point P at a distance z from thecenter of the dipole
A 12.7-kg block initially slides at 13.1 m/s on a flat rough surface and eventually stops. what is the entropy change of the system
The motor of a Scout rocket uses up all the fuel and stops when the rocket is at an altitude of 200 km above the surface of the Earth, How high will this rocket rise
A soccer ball is kicked with an initial horizontal velocity of 18.0 m/s, find How far from where it was kicked will the ball land
q1. a potential difference of 87 mv exists between the inner and outer surfaces of a cell membrane. the inner surface
Two circuits contain an emf produced by a moving metal rod, like that shown in the drawing. If the speed of the rod in circuit 1 were twice that in circuit 2, what would be the ratio P1/P2 of the powers in the circuits
Interpretation of Distance-time Graph 1. Which car is ahead and by how much distance after 3 hours? 2. Which car stops moving after 3 hours?
Light is reflected from a transparent coffee table. When the angle of incidence is 52.2°, find the index of refraction of the material of the table
An object is recovered from under the sea. Its weight is measured to be 54.6 lb and its volume 1.3 ft3. What is the object's weight density
Two blocks, masses m1 and m2 are connected by an ideal string passing over an ideal pulley. Find the acceleration of each block
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