2. A muon is created in our upper atmosphere and travels toward the ground at 0.998 c. If it's lifetime is 2.2 x 10-6 seconds. What is the lifetime of the muon as observed by the earth's frame of reference?

3. If you were to board a craft and travel at 300 m/s, how long would 1 hour be? If you were to board a craft and travel at 0.2 c, how long would 1 hour be?

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2 The lifetime of a muon as observed by an observer in the Earths frame of reference can be calculat... View the full answer