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    troyreese's Avatar
    troyreese Posts: 2, Reputation: 1
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    #1

    Nov 21, 2011, 09:17 PM
    A 0.25 kg rubber stopper attached to a 1.5 m string is moving in a circular path.
    A 0.25 kg rubber stopper attached to a 1.5 m string is moving in a circular path. The rubber stopper completes a lap in 0.4 seconds. What is the velocity of the rubber stopper?
    Aurora2000's Avatar
    Aurora2000 Posts: 111, Reputation: 16
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    #2

    Nov 22, 2011, 02:50 AM
    It has a string of 1.5m, and completes a loop in 0.4s. So in 0.4s it does m. Then use distance=speedtime.
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