(II) An unstable particle is at rest and suddenly decays
Chapter 26, Problem 19P(choose chapter or problem)
Problem 19P
(II) An unstable particle is at rest and suddenly decays into two fragments. No external forces act on the particle or its fragments. One of the fragments has a speed of 0.60c and a mass of 6.68 X 10-27 kg, while the other has a mass of 1.67 X 10-27 kg. What is the speed of the less massive fragment?
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