Problems:

$(1)$ A tennis player receives a shot with the ball $(0\mathrm{.}0600kg)$ traveling horizontally at $50\mathrm{.}0\frac{m}{s}$ and returns the shot with the ball traveling horizontally at $40\mathrm{.}0\frac{m}{sin}$ the opposite direction.

$($a$)$ What is the impulse delivered to the ball by the racquet?

$($b$)$ What work does the racquet do on the ball?