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A photon having E = 15.2 keV energy scatters from a free electron inside a metal. What is the maximum energy the electron can gain from the photon? At which angle will the photon scatter with respect to its original direction? (The accepted unit abbreviations for angles are either 'deg' for degrees or 'rad' for radians.) At which angle will the electron scatter?
A uniformly dense 50 cm rod with a total mass of 0.2 kg is standing perfectly vertically on a horizontal surface. What is the magnitude of the angular acceleration of the rod
A thin sheet of transparent material is surrounded by air. The sheet has an index of refraction of 1.47, Calculate the wavelength of the light in the material
Conservation of Energy A 100kg skier at the top of a 2km high mountain tucks the whole thing but only gets a final speed of 50m/s
The box of a well-known breakfast cereal states that one ounce of the cereal contains 144 Calories (1 food Calorie = 4186 J). what is the heaviest barbell
The rotational velocity of a spinning disk decreases from 8 rev/s to 3 rev/s in 12 sec. What is the rotational acceleration of the disk
an airplane propeller is rotating at 3293 rev/min when one of the blades breaks off at the hub. what is the angular velocity of the rotational motion of the blade about its own center of mass
Two linear waves have the same amplitude and speed, and otherwise are identical except one has half the wavelength of the other, Which transmits more energy
An electron and a anti-electron (Positron) circle eachother at a distance of 1.00x10^-19m. What is the electrostatic force between the particles? What is the potential energy of the system? Is this energy positive or negative?
A ball of mass 1.7 kg hangs at the end of a string 1.2 m in length from the ceiling of a room. The height of the room is 4.0 m. What is the gravitational potential energy of the ball relative to the ceiling
You have 30 tuning forks that oscillate at close but different frequencies. What are the minimum number of different beat frequencies you can produce by sounding the forks 2 at a time
A ball is dropped from a hot air balloon that is accelerating upward at 10 ft/sec2. What is the acceleration of the ball upon its release
A photon is scattered 60.0° during a collision with an electron, which is initially at rest and gains a speed of 6.00× 106 m/s during the collision
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