4.A particle of rest mass 1 MeV has a momentum 7.1 x 10-22 kg m/s. The kinetic energy is(A) 0.25 MeV
問題詳情
4.A particle of rest mass 1 MeV has a momentum 7.1 x 10-22 kg m/s. The kinetic energy is (A) 0.25 MeV (B) 0.33 MeV (C) 0.50 MeV (D) 0.67 MeV (E) 1.2 MeV.