Physics

Problem

A disc slows uniformly from

30\,\text{rad s}^{-1}

10\,\text{rad s}^{-1}

while rotating through an angular displacement of

40\,\text{rad}

. (i) Find the angular acceleration. (ii) How long does this slowing down take? a. Find the angular acceleration. b. How long does this slowing down take?

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