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

    Apr 7, 2008, 03:24 PM
    Rotation and finding time
    A wheel of diameter of 68.0 cm slows down uniformly from 8.40 m/s to rest over a distance of 115 m. How long does it take for the wheel to come to the stop?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Apr 8, 2008, 07:28 AM
    I would divide 8.40 into 115 this will give the Seconds, Slow down uniformly is not a measurement. Plus the wheel is measured by seconds, not RPM?
    If you multiply 8.40 X 3.14(circumference)this will give the distance moved in 1 revolution.
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