(a)[1]
An object's velocity changes from u to v while its mass is m. State, in terms of m, u and v, the change in momentum of the object.
(b(i))[2]
Calculate the impulse experienced by the tennis ball.
(b(ii))[2]
Calculate the speed at which the ball leaves the racquet.
(b(iii))[2]
State the energy transfer that occurs: 1. while the ball is being deformed during the contact between the racquet and the ball; 2. as the ball leaves the racquet.