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Special relativity — Question 81

Original QCE Vault practice · 5 marks

Q81 · Practice questionComplex unfamiliar5 marks

QUESTION 81 (5 marks)

Muons created high in Earth’s atmosphere travel at

0.995c

. Their proper mean lifetime is

2.2\,\mu\text{s}

. Calculate the mean lifetime and mean travel distance in the Earth frame. Compare the result with a classical calculation that ignores time dilation.

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