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A 0.31 MeV x-ray photon collides by an electron and scatters straight back the way that it came.
1. What is the energy of the backscattered photon?
2. What is the kinetic energy of the scattered electron? Suppose that it was initially at rest.
A 5kg fish swimming 1 m/s swallows and absentmided 1kg fishswimming towards it at a velocity that brings both fish to a haltimmediately after lunch - what is the velocity (v) of the smallerfish before lunch ?
A ten pound car wheel has a moment of inertia of 0.38 kg m2. What is the wheel's rotational kinetic energy
The record for the highest speed achieved in a laboratory for a uniformly rotating object was 2.01e3m/s for a 0.15m long carbon rod
A ball is dropped from a height of 4 m and makes an elastic collision with the ground. Assume that no mechanical energy is lost to air resistance. (a) Show that the ensuing motion is periodic. (b) Determine the period of the motion. (c) Is the motion..
A 60 kg person drops from rest a distance of 1.20m to a platform of negligible mass supported by a stiff spring. The platform drops 6cm before the person comes to rest.
The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.50 cm, respectively. compute the final magnification of the microscope
The temperatures indoors and outdoors are 297 and 311 K, respectively. A Carnot air conditioner deposits 6.22 105 J of heat outdoors. How much heat is removed from the house?
An electron is released from rest at the negative plate of a parallel plate capacitor. How fast is the electron moving just before it reaches the positive plate
A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 N on him. What force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg
What are the disadvantages and the advantages of locating solar collectors on a vertical, south-facing wall
in reaching her destination a backpacker walks with an average velocity of 1.41 ms due west. this average velocity
Two small metallic spheres, each of mass 0.30g, are suspended as pendulums by light strings from a common point, calculate the magnitude of the charge on each sphere
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