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October 20, 2014

Homework Help: Physics "Space Travel"

Posted by Chelly on Thursday, April 17, 2008 at 8:07pm.

Suppose you want to go to the immense red giant Betelgeuse, which is about 500 light years away. (A light year is the distance that light travels in one year.) You plan to travel at constant speed in a 1000 ig rocket ship.

A: If the rocket ship's speed is 0.500 c, calculate the time for the trip, as measured by people on earth.

B: If the rocket ship's speed is 0.500 c, calculate the time for the trip, as measured by astronauts in the rocket ship.

I'm quite confused about which equation to use for which part... Any help is immensily appreciated!

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