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13 March, 19:57

Find the resultant acceleration of a particle moving in a circle of radius 10 cm at the instant when its angular velocity is 6 rad/s and its angular acceleration is 20 rad/s^2.

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  1. 13 March, 23:30
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    The resultant acceleration of the particle is a = 0.411 m/s²

    Explanation:

    r = 0.01m

    w = 6 rad/s

    α = 20 rad/s²

    ac = w²*r

    ac = 0.36 m/s²

    at = α*r

    at = 0.2 m/s²

    a = √ (at² + ac²)

    a = 0.411 m/s²
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