Abaseball approaches home plate at a speed of 40.0 m/s, moving horizontally just before being hit by a bat. the batter hits a pop-up such that after hitting the bat, the baseball is moving at 57.0 m/s straight up. the ball has a mass of 145 g and is in contact with the bat for 2.10 ms. what is the average vector force the ball exerts on the bat during their interaction? (let the +x-direction be in the initial direction of motion, and the +y-direction be up.) f

Explanation:

Initial momentum of the ball is given as

now final momentum of the ball is given as

now by the formula of force we have

now we have

The average vector force the ball exerts on the bat during their interaction is

Given :

Initial Speed = 40 m/sec

Final Speed = 57 m/sec

Mass = 0.145 Kg

Time = 0.0021 sec

Solution :

Initial Momentum is,

Final momentum is,

Now,

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the independent variable, the one that is intentionally manipulated, is whether or not the car hits the barrier.

the dependent variable, the one that you measure the response in, is the distance that the washers travel.