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A photon of energy E interacts with an electron at rest and undergoes pair production, producing a positive electron (positron) and an electron (in addition to the original electron): photon + e+e+ + e+ + e?. The two electrons and the positron move off with identical moment a in the direction of the initial photon. Discover the kinetic energy of the three final particles and discover the energy E of the photon. (Hint: Conserve momentum and total relativistic energy.)
Kinetic energy ___
Photon energy ____
a scuba diver breathes air from a tank which has a pressure regulator that automatically adjusts the pressure of the
As you get ready for your early morning physics class, you comb your hair in front of a planar mirror. How far away from you is your image
a hammer slides down a roof that makes a 40 degree angle with the horizontal. what are the magnitudes of the components
Utilizing an information provided in your course text, complete the "Motivation Concepts Table." This table will serve as a convenient quick reference for the remainder of the course.
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An object is in front of a converging lens (f = 0.21 m). The magnification of the lens is m = 4.8. Through what distance should the object be moved
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in a certain region the earths magnetic field has a magnitude of 4.7e-5t and is directed north at an angle of 61 below
A cork floating on a lake bobs up and down as a small wave passes. The cork completes 4.00 cycles in 4.00 s. The wave peaks are 8.1 cm apart. Discover the speed of the wave.
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