QCEVault

Special relativity — Question 80

Original QCE Vault practice · 5 marks

Q80 · Practice questionComplex familiar5 marks

QUESTION 80 (5 marks)

A spacecraft travels at 0.80c0.80c from Earth to a star 12.012.0 light-years away in the Earth frame. Ignore acceleration periods. Determine the travel time measured (a) on Earth and (b) by a clock on the spacecraft.
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