The mass of the neutron is Mn = 939.565 MeV/c2. What is the speed of a 610 MeV neutron?
Mn = mass of neutron = 939.565
KE = 610 x 106 x 1.6 x 10-19 J
V = speed
Using the formula
KE = Mn c2 [1/sqrt(1 - V2/c2) - 1]
610 x 106 x 1.6 x 10-19 = (939.565 x 106 x 1.6 x 10-19) [1/sqrt(1 - V2/(3 x 108)2) - 1]
V =2.4 x 108
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