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30 November, 11:04

In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm about the elbow. If the angular velocity of the ball about the elbow joint is 30.0 rad/s and the ball is 1.30 m from the elbow joint, what is the velocity of the ball?

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  1. 30 November, 11:19
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    39.0 m/s

    Explanation:

    Linear velocity = angular velocity * radius

    v = ωr

    v = (30.0 rad/s) (1.30 m)

    v = 39.0 m/s
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