Question: A 7 0 - cm - diameter wheel accelerates uniformly from 1 6 0 rpm to 2 8 0 rpm in 4 . 0 s

A 70-cm-diameter wheel accelerates uniformly from 160rpm to 280rpm in
4.0s. Determine (a) its angular acceleration, and (b) the radial and tangential
components of the linear acceleration of the point on the edge of the wheel 2.0s after
it has started accelerating?

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