Physics, 30.11.2019 07:31 tinasidell1972
Acar drives around a horizontal, circular track at constant speed. consider the following three forces that act on the car: (1) the upward normal force exerted on the car by the road, (2) the downward gravitational force on the car, (3) and the frictional force that is directed toward the center of the circular path.
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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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Energy flows from the producer level to the level. is called
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Acar drives around a horizontal, circular track at constant speed. consider the following three forc...
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