A particle of mass m1 moving with velocity u makes a heat on collision with a particle of mass m2 initially at rest , so that their final velocity v1 and v2 are along the same line .
If the collision is elastic show that
and also calculate the fraction of total energy shared by m2.
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By the principle of conservation of momentum and energy,
→ momentum before impact = momentum after impact ______(1)
→ energy before impact = energy after impact _____(2)
Since in elastic collision , there is no loss of kinetic energy
m1u1+m2u2 = m1v1+m2v2.
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