March 29, 2017

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1. A 0.75kg ball traveling horizontally to the right at 20m/s. A player strikes the ball and causes it to move in the opposite direction with a velocity of 24m/s.

a. What impulse was delivered by the player to the ball?

b. If this took 0.3 seconds to occur, What force must be involved to change the momentum?

c. Calculate the acceleration rate of this object.

Thanks for the help.

  • Physics - ,

    change of momentum= m(deltaV)=m(20+24)

    impulse= change of momentum

    Force= impulse/time

    F=ma solve for a.

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