# A wheel rotates around a stationary axis so that rotation angle θ varies as θ=Pt^2, where P=0.20 rad/s^2. Find the total acceleration a of the point A

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A wheel rotates around a stationary axis so that rotation angle θ varies as θ=Pt2, where P=0.20 rad/s2. Find the total acceleration a of the point A at the rim at the moment t=2.55 sec, if the linear velocity of the point A at this moment is v=0.65 m/s

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