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What Is the Difference in Time-Of-Flight (The Elapsed Time)required for Pions

Question 42

Multiple Choice

What is the difference in time-of-flight (the elapsed time) required for pions (rest mass 139.5 MeV/c2) and kaons (rest mass 497 MeV/c2) each with momentum 150 MeV/c to travel 55 cm? Use 3.0 x 108 for the speed of light.


A) 1.8 ns
B) 3.8 ns
C) 4.0 ns
D) 4.1 ns

Correct Answer:

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