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    gavin928's Avatar
    gavin928 Posts: 1, Reputation: 1
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    #1

    May 25, 2013, 06:29 AM
    angular acceleration
    After traveling 200 m, a car tire's rotation has increased from 3.5 rev/s to 6.0 rev/s. What was the tire's angular acceleration in rad/s^2? Can I just calculate without information of the tire's size?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    May 29, 2013, 04:31 AM
    You need either the tire's radius or the time it takes for the car to travel the 200 meters. Are you sure there isn't some other information provided?
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