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    19melmel72's Avatar
    19melmel72 Posts: 5, Reputation: 1
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    #1

    Feb 12, 2015, 05:33 AM
    Momentum word problems
    A ball is moving at 4.5 m/s and has a momentum of 75 kg. m/s. What is the ball's mass?
    19melmel72's Avatar
    19melmel72 Posts: 5, Reputation: 1
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    #2

    Feb 12, 2015, 05:34 AM
    Momentum word problems
    A 2.0-kg ball has a momentum of 25 kg.m/s. What is the ball's speed?
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    19melmel72 Posts: 5, Reputation: 1
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    #3

    Feb 12, 2015, 05:36 AM
    Momentum word problems
    A 1.0-kg ball has a momentum of 12 kg.m/s. What is the ball's speed?
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    19melmel72 Posts: 5, Reputation: 1
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    #4

    Feb 12, 2015, 05:37 AM
    Momentum word problems
    A ball is moving at 7.0 m/s and has a momentum of 100 kg.m/s. What is the ball's mass?
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    19melmel72 Posts: 5, Reputation: 1
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    #5

    Feb 12, 2015, 05:39 AM
    Word problems
    A constant force of 20 N acts on a 10.0 kg object for 5.0 s. What are the changes in the object's momentum and velocity?
    talaniman's Avatar
    talaniman Posts: 54,325, Reputation: 10855
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    #6

    Feb 12, 2015, 07:31 AM
    Ow guy, at least show your work so you can be guided because we certainly can't do any of it for you. Nor is there a need to make every problem a separate thread.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #7

    Feb 12, 2015, 09:12 AM
    Every one of these can be solved using the relationship: momentum = mass times velocity. Try it - post back with your answers and we'l check them for you.
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