Answer to Question #183752 in Physics for Winters

Question

a) A subatomic particle when moving at 0.90c was observed to have a lifetime of 4.1 × 10–6 s. How long would it exist when at rest?

b) Calculate the rest energy (mass-energy equivalence) of 2.0 kg of uranium in joules.

c) The rest energy of a proton is 940.5 MeV. Calculate the rest mass of the proton.

Answer 1

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