Quiz-1 - Quiz #1: Relativity February 4, 2007 Complete both...

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Quiz #1: Relativity February 4, 2007 Name: __SOLUTION__ Complete both of the following problems. Show all of your work for full credit. Problem 1 2. A 10-MeV positron hits an electron at rest. As a result of their annihilation, two identical photons are created and fly apart. Find a) velocity of the positron before collision, b) energy of the photons. 2 2 e+ 2 2 10 0.511 10.511 MeV 0 0.511 0.511 MeV 10.511 0.511 11.022 MeV 10.511 20.57 0.511 1 1 0.9988 0.9988 11.022 MeV 5.511 MeV 22 eK e e tot e e e e e e e tot photon EE m c m c EEE E mc u uc c E E γ + +− + + + + =+ = + = = + = =+= + = == = =− = = = Problem 2 A missile is launched along x axis with a speed 0.95 c from a spaceship which is moving along z axis
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This note was uploaded on 04/22/2008 for the course PHYS 320 taught by Professor Baski during the Spring '04 term at VCU.

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