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A particle with mass M0 is at rest. It decays into two particles with masses m1...

A particle with mass M0 is at rest. It decays into two particles with masses m1 = 6.64 × 10-27 kg and m2 = 5.20 × 10-26 kg. After the decay, m1 moves at 0.95 c.

(a) What is the speed of m2 after the decay?

(b) What is M0?

Answers: (a) 1.09 × 10^8 m/s (b) 7.71 × 10^−26 kg

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