Answered: The lifetime of a free neutron is 886…

The lifetime of a free neutron is 886 s. If a neutron moves with a speed of 2.65 ✕ 108 m/s relative to an observer in the lab, what does the observer measure the neutron's lifetime to be (in s)?

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter1: Relativity I

Section1.5: Consequences Of Special Relativity

Problem 4E: If the ship moves past the observer at 0.01000c, what length will the observer measure?

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Question

The lifetime of a free neutron is 886 s. If a neutron moves with a speed of 2.65 ✕ 10⁸ m/s relative to an observer in the lab, what does the observer measure the neutron's lifetime to be (in s)?

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