Two wheels have the same mass and radius of 4.9 kg and 0.41 m, respectively. One...

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Physics

Two wheels have the same mass and radius of 4.9 kg and 0.41 m,respectively. One has (a) the shape of a hoop and the other (b) theshape of a solid disk. The wheels start from rest and have aconstant angular acceleration with respect to a rotational axisthat is perpendicular to the plane of the wheel at its center. Eachturns through an angle of 13 rad in 9.5 s. Find the net externaltorque that acts on each wheel.

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