Relativity Problem - Speed of Ship relative to earth

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Question description

In an attempt to reduce the extraordinarily long travel times for voyaging to distant stars, some people have suggested traveling at close to the speed of light. Supposed you wish to visit the red giant star Betelgeuse, which is 430 ly away, and that you want your 22,000 kg rocket to move so fast that you age only 17 years during the round trip.

(a) How fast must the rocket travel relative to earth? (Express your answer to six decimal places.) (b) How much energy is needed to accelerate the rocket to this speed?

Tutor Answer

(Top Tutor) Daniel C.
School: Purdue University
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