A wheel has a rotational velocity of 20middotrads clockwise


A wheel has a rotational velocity of 20·rad/s clockwise. You place you hand against the wheel and the friction between your hand and the rim stops it.

(a) If it takes 3·s to stop the wheel, what is its rotational acceleration?

rad/s2

(b) How far does the wheel rotate while slowing to a stop?

rad

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Physics: A wheel has a rotational velocity of 20middotrads clockwise
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