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6 July, 06:47

A 35 kg child moves with uniform circular motion while riding a horse on a carousel. The horse is 3.2 m from the carousel's axis of rotation and has a tangential speed of 2.6 m/s.

What is the child's centripetal acceleration?

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  1. 6 July, 08:45
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    A=ω²r=0.8²*3.2=2.0 m/s²

    v=ωr, then ω=v/r;

    ω=2.6/3.2=0.8 rad/s
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