# Problem: A 57g tennis ball is served at 45m/s. If the ball started from rest, what impulse was applied to the ball by the racket? Express your answer using two significant figures.

###### FREE Expert Solution

Momentum, P,

$\overline{){\mathbf{P}}{\mathbf{=}}{\mathbf{m}}{\mathbf{v}}}$

Impulse, I,

$\overline{){\mathbf{I}}{\mathbf{=}}{\mathbf{∆}}{\mathbf{P}}}$

###### Problem Details

A 57g tennis ball is served at 45m/s. If the ball started from rest, what impulse was applied to the ball by the racket? Express your answer using two significant figures.