Phys 11 Test 6 Study guide - You should be able to argue...

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1) Define a “proper time interval” and a “nonproper time interval”. What does the principle of “time dilation” state? 2) How does one make a valid measurement of length? 3) Define a “proper length” and a “nonproper length”. What does the principle of “length contraction” state? 4) Define the “rest mass” of a particle. 5) Define the “rest energy” of a particle. 6) Define the “relativistic mass” of a particle. 7) Why can’t a particle with a nonzero rest mass travel at the speed of light?
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Unformatted text preview: You should be able to argue this by either discussing what happens to the mass and acceleration of a particle being accelerated by a constant force or by discussing the energy requirements needed to keep increasing the speed of a particle. 8) What is the rest mass of a photon? Does a photon have momentum? How is the momentum related to the energy of the photon?...
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