Medium
$A$ boy hits a baseball with a bat and imparts an impulse $J$ to the ball. The boy hits the ball again with the same force,except that the ball and the bat are in contact for twice the amount of time as in the first hit. The new impulse equals:
- Ahalf the original impulse
- Bthe original impulse
- Ctwice the original impulse
- Dfour times the original impulse
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