A cosmic ray travels 60 km through the earth’s atmosphere in 400 μs, as measured by experimenters on the ground. How long does the journey take according to the cosmic ray?

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asked Feb 12, 2020 158k views

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A cosmic ray travels 60 km through the earth’s atmosphere in 400 μs, as measured by experimenters on the ground. How long does the journey take according to the cosmic ray?

Physics
high-school

Adil Aslam Sachwani asked

by Adil Aslam Sachwani

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Answer:

Step-by-step explanation:

Lior Elrom answered Feb 17, 2020

by Lior Elrom

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