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QUESTION
At what speed would a clock be moving for it to run at one-half the rate that it normally does at rest?
- At what speed would a clock be moving for it to run at one-half the rate that it normally does at rest?
- A beam of particles have a measured life time of 1.5 × 10−8 s when traveling 2.0 × 108 m/s. What would their lifetime be if they were at rest?
