Mark travels at 0.78c in space and it takes 23 years for him to travel around...

Question

Question

Mark travels at 0.78c in space and it takes 23 years for him to travel around space. When he goes comes back, how much time has passed on Earth?

Answer 1

Answer #1

We know that relativistic time dilation formula

.....1

Here v=0.78 c , t=23 years and t₀ time on the earth

put these value in equation 1

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Answer 2

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