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    Kendra22's Avatar
    Kendra22 Posts: 11, Reputation: 1
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    #1

    May 17, 2009, 11:53 AM
    Angular Velocity
    A wheel has a diameter of 70 cm and completes a revolution in 0.25 seconds at top speed.
    a) Determine the angular velocity, in radians per second.
    b) How far does the wheel travel in one minute?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    May 17, 2009, 12:39 PM
    There are 2Pi radians in one revolution. The wheel turns 4 revs in 1 second.

    a.

    b. How far does it travel in a minute? The circumference of the wheel is

    It travels 4 times this in one second. Then, multiply by how many seconds are in a minute.
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