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5.3 Exercise 9

Avg difficulty 2.5

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

OpenStax University Physics Volume 3, 5.3 Time Dilation, exercise 9

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.