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28.2 Exercise 9

Avg difficulty 2.5

A neutral π\pi-meson is a particle that can be created by accelerator beams. If one such particle lives 1.40×10−16s1 . \text{40} \times \text{10}^{- \text{16}} \text{s} as measured in the laboratory, and 0.840×10−16s0 . \text{840} \times \text{10}^{- \text{16}} \text{s} when at rest relative to an observer, what is its velocity relative to the laboratory?

OpenStax College Physics 2e, 28.2 Simultaneity And Time Dilation, exercise 9

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.