dynamics
A ball of mass m makes a perfectly elastic head-on collision with a second ball, of
mass M, initially at rest. The second ball moves off with half the original speed of
the first ball.
a Express M in terms of m.
b Determine the fraction of the original kinetic energy retained by the ball of
mass m after the collision
mass M, initially at rest. The second ball moves off with half the original speed of
the first ball.
a Express M in terms of m.
b Determine the fraction of the original kinetic energy retained by the ball of
mass m after the collision
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