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    Emma13's Avatar
    Emma13 Posts: 1, Reputation: 1
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    #1

    Apr 23, 2012, 04:40 PM
    Momentum
    An average net force of 25.0 N acts right on an object for 7.20 x 10^-1s. What is the change in momentum of the object?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Apr 24, 2012, 06:05 AM
    Apply the rule that impulse (force times time) equals change in momentum:

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    physic Posts: 42, Reputation: 0
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    #3

    Apr 24, 2012, 10:56 AM
    P=F.t

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