21%) 11:43 PM session.masteringphysics.com Impulse on a Baseball MasteringPhysic

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21%) 11:43 PM session.masteringphysics.com Impulse on a Baseball MasteringPhysics Recall that when a net force acts on an object, the object will ..ooo AT&T; accelerate, causing a change in its velocity. Hence the object's momentum (pmv) will also change. The impulse- momentum theorem describes the effect that an impulse has on an object's motion: So the change in momentum of an object equals the net impulse, that is, the net force multiplied by the time over which the force acts. A given change in momentum can result from a large force over a short time or a smaller force over a longer time In Parts A, B, C consider the following situation. In a baseball game the batter swings and gets a good solid hit. His swing applies a force of 12,000 N to the ball for a time of 0.70 × 10-3 s Part A Assuming that this force is constant, what is the magnitude J of the impulse on the ball? Enter your answer numerically in newton seconds using two significant figures. Submit Give UP

Explanation / Answer

Here,

force , F = 12000 N

time , t = 0.70 *10^-3 s

magnitude of impulse = F * t

magnitude of impulse = 12000 * 0.70 *10^-3 N.s

magnitude of impulse = 8.4 N.s

the magnitude of impulse is 8.4 N.s

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