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A 43.0-kg child swings in a swing supported by two chains, each 2.94 m long. The tension in each chain at the lowest point is 340 N. (a) Find the child's speed at the lowest point. m/s (b) Find the force exerted by the seat on the child at the lowest point. (Ignore the mass of the seat.) N (upward)
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Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?
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A 43.0-kg child swings in a swing supported by two chains, each 2.94 m long. The tension in each cha...
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