inelastic_relativistic_collision_sol_2 - Inelastic...

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Inelastic Relativistic Collision A particle of mass m , moving at speed v = 4 c /5, collides inelastically with a similar particle at rest. (a) What is the speed v C of the composite particle? (b) What is its mass m C ? Solution by Michael Gottlieb: ( I choose units for which c = 1.) Call the moving particle ‘M’, and the particle at rest ‘R’. (The composite particle is defined to be ‘C’.) The momentum and energy of the particle at rest are RR 0 p Em = = . The momentum of the moving particle is M 22 45 4 3 1 4 1 5 mv pm v == = ⎛⎞ ⎜⎟
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This note was uploaded on 10/30/2010 for the course MP 200 taught by Professor Guna during the Fall '10 term at Duke.

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