How Tall Is Mount Everest from the Perspective of a Cosmic

question 44

Multiple Choice

How tall is Mount Everest from the perspective of a cosmic ray muon traveling straight down toward the Earth at 0.99c? Observers at rest relative to the ground measure the height of Mt. Everest to be 8848 m.

• A) 885 m
• B) 6.29 km
• C) 1.25 km
• D) 176 m

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