This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
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 9.11x10-31 kg. a) What is the final speed calculated classically? b) What is the final speed calculated relativistically?...
View Full Document