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9 June, 11:01

A particle travels in a circle of radius 82 cm and with a centripetal acceleration of 4.7 m/s2. How long does the particle take to complete one revolution?

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  1. 9 June, 11:11
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    Acceleration = r w² radius r = 0.82 meter angular velocity w

    4.7 = 0.82 w²

    So w = 2.394 radians / sec

    Time period T = time duration for completing one revolution = 2 π / w

    = 2π / 2.394 = 2.624 seconds
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