Quiz #1: Relativity February 4, 2007 Name: __SOLUTION__ Complete both of the following problems. Show all of your work for full credit. Problem 12. 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. 22e+22100.511 10.511 MeV00.5110.511 MeV10.511 0.511 11.022 MeV10.51120.570.511110.9988 0.998811.022 MeV5.511 MeV22eKeetoteeeeeeetotphotonEEmcmcEEEEmcuuccEEγ+−+−++++=+=+==+==+=+=====−===Problem 2A missile is launched along x axis with a speed 0.95cfrom 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.