# What is the magnitude of the impulse delivered by the bat to the ball [Solved] In a Little League baseball game, the 145g ball enters the strike zone with a speed of 15.0m/s. The batter hits the ball, and it leaves his bat with a speed of 20.0m/s in exactly the opposite direction.

5.08 kg-m/s = (F)(t)
5.08 kg-m/s = (F)(1.5e-3 s)
F = 3.38e3 N

m(vf vi) =
(0.145 kg)(20.0 m/s (-15.0 m/s)) =
5.08 kg-m/s

5.08 kg-m/s = (F)(t)
5.08 kg-m/s = (F)(1.5e-3 s)
F = 3.38e3 N

Impulse is just a change in momentum. Calculate the delta v, as a vector quantity, and multiply by the mass of the ball. This should give you the impulse. After this, since you know delta t, it should be a simple matter to determine average force as impulse J is F delta t. According to Newtons 3rd law, the force exerted by the bat on the ball is equal in magnitude and opposite in direction to the force exerted by the ball on the bat.. which of course will be a moot calculation considering we are likely considering a momentum conservation problem and any change in momentum of the ball will be accompanied by the equivalent change in momentum of the bat.

This post is last updated on hrtanswers.com at Date : 1st of September – 2022

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