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We wrap a light, nonstretching cable around a 9.00kg solid cylinder with diameter of 34.0cm . The cylinder rotates with negligible friction about a stationary horizontal axis. We tie the free end of the cable to a 13.0kg block and release the block from rest. As the block falls, the cable unwinds without stretching or slipping.
How far will the mass have to descend to give the cylinder 470J of kinetic energy? (h= in m)
A dipole with dipole moment 2.2 nC.m is oriented at 39o to a 4.6 MN/C electric field. What is the magnitude on the dipole?
What is the difference between Kinetic Energy and Potential energy - describe the Conservation of Energy by a circus diver example.
The Earth’s electric field creates a potential that increases 100 V for every meter of altitude. If an object of charge +4.5 mC and mass 68 g falls a distance of 1.0 m from rest under the influence of the Earth’s electric and gravitational fields, wh..
A beam of light, travelling in air, strikes a plate of transparent material at an angle of incidence of 56.0°. It is observed that the reflected and refracted beams form an angle of 90.0°. What is the index of refraction of this material?
A worker in a radiation lab recieves a whole-body radiation dose of 29 mrad. Her mass is 65 kg. The radiation delivered by alpha particles for which the RBE is 12. What was the total energy absorbed by her body
If a wave is 3 m high, has a wavelength of 100 m, and aperiod of 8 s, estimate the power available from each meter of wavelength and the speed of the wave.
if one micrometeorite a sphere with diameter of 1x10-6m strikes each square meter of the moon each second how many
catching a wave a 71 kg surfer starts with a speed of 1.3 ms drops through a height of 1.95 m and ends with a speed of
The general type of radiation that is emitted when any nuclear particle or any atomic electron moves from one quantized energy level to a lower quantized level - In which element are the inner shell electrons more tightly bound to the nucleus?
You are coating a glass lens of index of refraction 1.6 with a film of material of index of refraction 1.7. What is the thickness of the film now
A suitcase full of gold sits at the bottom of a lake. A recovery diver finds that as he lifts the suitcase to the surface, What is the volume of the large suitcase
A conducting sphere of radius 'a' is surrounded by a concentric conducting spherical shell of radius 'r'. Find the electrostatic field energy contained in the region
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