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28.2 Exercise 7

Avg difficulty 2.5

Particles called π\pi-mesons are produced by accelerator beams. If these particles travel at 2.70×108m/s2 . \text{70} \times \text{10}^{8} \text{m}/\text{s} and live 2.60×10−8s2 . \text{60} \times \text{10}^{- 8} \text{s} when at rest relative to an observer, how long do they live as viewed in the laboratory?

OpenStax College Physics 2e, 28.2 Simultaneity And Time Dilation, exercise 7

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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.