A wheel with a weight of 394 N comes off a moving truck and rolls without slipping along a highway. At the bottom of a hill it is rotating at an angular velocity of 23.3 rad/s . The radius of the wheel is 0.643 m and its moment of inertia about its rotation axis is 0.800MR^2 . Friction does work on the wheel as it rolls up the hill to a stop, at a height of above the bottom of the hill; this work has a magnitude of 3504J .

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