relativity_8 - PHY2061 R D Field PHY2060 Review...

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PHY2061 R. D. Field Department of Physics relativity_8.doc University of Florida Relativistic Energy and Momentum Relativistic Energy: The total relativistic energy is the sum of the kinetic energy ( energy of motion ) plus the rest mass energy ( RME = m 0 c 2 ). 2 0 c m KE RME KE E + = + = Also, the relativistic energy is equal to the relativistic mass, m, times c squared. 2 0 2 c m mc E γ = = with m m = where 2 1 / 1 / β = = c v . Relativistic Kinetic Energy: 2 1 2 0 2 0 2 0 2 2 1 ) 1 ( ) 1 ( v m c m KE c m c m mc RME E KE → = = = = << Relativistic Momentum: The relativistic momentum p is the relativistic mass, m, time the
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