Question

A 268 g baseball is thrown toward home plate at 21.8 m/s, and the batter hits it right back at the pitcher at 41.6 m/s. Find the magnitude of the impulse, in N-s, supplied by the bat to the ball.

A 238 g baseball is thrown toward home plate at 38.2 m/s, and the batter hits it right back at the pitcher at 33.8 m/s. Assume the force exerted by the bat is approximately constant, and has magnitude 139 N. Find the time of contact between the bat and the ball, in s.

A 391 g rubber ball is dropped from height 15.9 m, and it rebounds to height 4.99 m. Assuming there is no air friction, find the magnitude of the impulse, in N-s, exerted by the ground on the ball.

Answer 1

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