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Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.
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Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?
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Abox that is resting on an inclined plane has what forces acting on it...
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