Question: A 70-cm-diameter wheel accelerates uniformly about its center from 130 rpm to 280 rpm in 4.0s. Determine (a) Its angular acceleration, and (b) The radial

A 70-cm-diameter wheel accelerates uniformly about its center from 130 rpm to 280 rpm in 4.0s. Determine
(a) Its angular acceleration, and
(b) The radial and tangential components of the linear acceleration of a point on the edge of the wheel 2.0s after it has started accelerating

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