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Unformatted text preview: is 150m long, but yours is only 120m long. From your point of view, a) how long is your friends ship? b) how long is your ship? c) what is the speed of your friends ship relative to yours? PHYSICS 6C Ch.27 Worksheet clas.ucsb.edu/staff/vince/ 5) Two asteroids head straight for the Earth from the same direction. Their speeds relative to the Earth are 0.8c for #1 and 0.6c for #2. Find the speed of asteroid 1 relative to asteroid 2. 6) Two rocket ships approach Earth from opposite directions, each with a speed of 0.6c relative to Earth. What is the speed of one ship relative to the other? 7) An object has a total energy that is 4.5 times its rest energy. What is its speed? 8) Electrons are accelerated from rest through a potential difference of 276,000 Volts. Assume the rest mass of an electron is 9.11x1031 kg. a) What is the final speed calculated classically? b) What is the final speed calculated relativistically?...
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This note was uploaded on 09/09/2011 for the course PHYSICS 6c taught by Professor Staff during the Spring '11 term at UCSB.
 Spring '11
 Staff
 Work, Light

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