Question
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An official major league baseball has a mass of 0.14 kg . A pitcher throws a 40
fastball which is hit by the batter straight back up the middle at a speed of
.
What is the impulse of the ball during the collision with the bat?
Woint
Numeric 1 point
If this collision occurs during a time of 0.012 seconds, what is the av
force exerted by the bat on the ball?
Type your answer.

Ask by Stanley Whittaker. in the United States
Jan 25,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

The impulse of the ball during the collision is 12.04 kg·m/s, and the average force exerted by the bat on the ball is approximately 1003.33 N.

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Mind Expander

To calculate the impulse of the ball during the collision with the bat, we can use the impulse-momentum theorem, which states that the impulse experienced by an object is equal to the change in momentum of that object.
  1. Calculate the initial momentum:
    • Mass
    • Initial velocity of the ball (toward the batter, considered positive)
    • Final velocity of the ball (after being hit, in the opposite direction)
    Change in momentum (impulse)
    The impulse of the ball during the collision is approximately -12.04 kg·m/s.
  2. Calculate the average force exerted by the bat on the ball:
    where Δt is the time duration of the collision (0.012 seconds).
    The average force exerted by the bat on the ball is approximately -1003.33 N (the negative sign indicates the direction opposite to the ball’s initial motion).

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