Question: a . In 2 0 1 4 , some students sent a balloon from the earth's surface to measure cosmic ray atmospheric muons with an

a. In 2014, some students sent a balloon from the earth's surface to measure cosmic ray
atmospheric muons with an average speed of 0.995 c . At an altitude of 6,000 meters
above sea level, they measured 500 counts per minute. Muons have a have a decay
constant of tau=2.2 xx10^(-6)s. Using special relativity, what would be the counts per
minute that would be observed close to where the muons were produced by primary
cosmic rays at an altitude of 18,000 meters?
b. What would be counts per minute be without relativistic time dilation?

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