February 21, 2017

Homework Help: Physics

Posted by Hercules on Thursday, April 8, 2010 at 11:03pm.

An unstable high-energy particle enters a detector and leaves a track 1.35 mm long before it decays. Its speed relative to the detector was 0.992c. What was its proper lifetime? That is, how long would the particle have lasted before decay had it been at rest with respect to the detector? please use units for final answer

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