In a laboratory experiment a muon is observed to travel 800 m before disintegrating. A graduate student
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In a laboratory experiment a muon is observed to travel 800 m before disintegrating. A graduate student looks up the lifetime of a muon (2 x 10??6 s) and concludes that its speed was faster than light! Identify the student's error, and find the actual speed of this muon.
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U= 800 m 2 x 10-6 s = 4 x 108 m/s.
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The student has not taken into account time dilation of the muons ...View the full answer
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