A monoenergetic beam consists of unstable particles with total energies 100 times their rest energy. If the particles have rest mass m, their momentum is most nearly
A. mc
B. 10 mc
C. 70 mc
D. 100 mc
E. 104 mc
(GR9277 #70)
Solution:
E = γE0 = 100E0 → γ = 100
p = γm0c = 100 mc
Answer: D
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