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A 0.629-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards.
(a) Find the momentum of the electron.
kg · m/s
(b) Find the kinetic energy of the electron.
eV
A charge of 6.53mC is placed at each corner of a square .470 m on a side. Determine the direction of the force on each charge
suppose that r2/r1 = 10.0 cm and ignoring any air inside the shell, find the temperature of the outer surface of the shell.
An engine does 20000 J of work and rejects 6120 J of heat into a cold reservoir whose temperature is 285 K. What would be the smallest possible temperature of the hot reservoir.
A 35 N boy pushes down on the ground with a force of 10 N perpendicular to the surface of the ground. What is the magnitude of the force of the ground on the boy
Measuring distances to high precision is a critical goal in engineering. Numerous devices to exist to perform such measurements, with many involving laser light. How far was the laser originally from the object
Two identical, small insulating balls are suspended by separate 0.37-m threads that are attached to a common point on the ceiling. determine the tension in the threads
An object, which is initially at rest on a frictionless horizontal surface, is acted upon by four constant forces. How much total work is done on the object in 4.44 seconds
Draw vectors indicating the normal force. suppose that the weight of the femur is negligible compared to the applied downward force.
A man is trying to get his car out of mud on the shoulder of a road. He ties one end of a rope tightly around the front bumper and the other end tightly around a utility pole a distance d away. What is the magnitude of the force on the car from the..
A Young's double-slit experiment is performed using light that has a wavelength of 638 nm, Calculate the angle that locates the first-order bright fringes on the screen
What are the two types of errors one encounters in experiments? Give an example of each, What does standard deviation of measured data tell you
how long one electron to travel the full length of the cable.
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