An Unstable Particle Is Moving at a Speed of 1 $10^8$

question 35

Short Answer

An unstable particle is moving at a speed of 1.6 × $10^8$ m/s relative to a laboratory. Its lifetime is measured by a stationary observer in the laboratory to be 6.8 × $10^{ - 6}$ s. What is the lifetime of the particle as measured in the rest frame of the particle? (c = 3.0 × 10⁸ m/s)

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