problem44_18

University Physics with Modern Physics with MasteringPhysics™ (12th Edition)

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44.18: a) We shall assume that the kinetic energy of the 0 Λ is negligible. In that case we can set the value of the photon’s energy equal to Q. . MeV 77 MeV ) 1116 1193 ( photon E Q = = - = b) The momentum of this photon is s m kg 10 4.1 ) s m 10 (3.00 ) eV J 10 (1.60 eV) 10 (77 20 8 18 6 photon × = × × × = = - - c E p To justify our original assumption, we can calculate the kinetic energy of a
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