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A 0.31 MeV x-ray photon collides by an electron and scatters straight back the way that it came.
a) What is the energy of the backscattered photon?
b) What is the kinetic energy of the scattered electron? Suppose that it was initially at rest.
Unpolarized light with an intensity of 275 W/m2 passes by the two polarizers whose transmission axes are at an angle of 30.0° with respect to each other. What is an intensity of the light transmitted through both polarizers.
Two people on ice skates are at rest and stand facing each other. They then push each other away. The mass of the person on the left is 90 kg. Find the ratio of their speeds immediately afterward
a straight horizontal conducting rod of length 0.45 m and mass 60 g is suspended by two vertical wires at its ends. a
A gymnast whose mass is 50.0 kg swings back and forth on a 4.0m long rope. What is her velocity at the bottom of the swing
You have a 1.3m long copper wire. You want to make an N-turn current loop that generates a 1.0mT magnetic field at the center when the current is 1.2A. What will be the diameter of your coil
your are sitting in your car which is standing at the side of the road with the engine idling. in the rearview mirror
a 62.0 m length of insulated copper wire is wound to form a solenoid of radius 1.8 cm. the copper wire has a radius of
A satellite is put in a circular orbit about Earth with a radius equal to 45% of the radius of the Moon's orbit. What is its period of revolution in lunar months
An electron is accelerated through 2250 V from rest and then enters a region where there is a uniform 2.00 T magnetic field. What are the maximum and minimum magnitudes of the magnetic force acting on this electron
High-speed stroboscopic photographs show that the head of a200-g golf club is traveling at 55m/s just before it strikes a 46-ggolf ball at rest on a tree. What is the speed of the golf ball just after impact
Over a certain region of space, the electric potential is V = 5x - 5x2y + 2yz2. (Use any variable or symbol stated above as necessary.) What is the magnitude of the field at the point P, which has coordinates (5, 0, -5) m
Ann was reaching up to grab a box of cereal that was on top of the refrigerator. She had extended her arm as well as stood on her tip-toes to reach the box. Which primary muscle allowed Ann to extend her elbow and which 2 primary muscles allowed h..
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