Question: The mean lifetime of stationary muons is measured to be 2.2000 ps. The mean lifetime of high-speed muons in a burst of cosmic rays observed

The mean lifetime of stationary muons is measured to be 2.2000 ps. The mean lifetime of high-speed muons in a burst of cosmic rays observed from Earth is measured to be 16.000μs.  To five significant figures, what is the speed parameter β of these cosmic -ray muons relative to Earth?

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