Question

A batter hits a 0.140-kg baseball that was approaching him at 40.0 m/s and, as a result, the ball leaves the bat at 30.0 m/s in the direction of the pitcher. what is the magnitude of the impulse delivered to the baseball

Answer 1

p=mv, sothat change of v =-10m/s. 0.14kg* -10m/s= -1.4kgm/s