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

    Jun 29, 2013, 08:30 AM
    A body started rolling over a horizontal surface with an initial velocity of 0.5 m/s.
    A body started rolling over a horizontal surface with an initial velocity of 0.5 m/s.Due to friction,its velocity decreases at the rate of 0.05 m/s2. How much time it take for the body to stop?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    Jul 1, 2013, 05:57 AM
    Use the definition of acceleration:



    Here you have values for and . Do the math to find
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