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Physics, 29.03.2021 20:20 jocko1224

Estimate the force a person must exert on a string attached to a 0.145 kg ball to make the ball revolve in a horizontal circle. The ball makes 2.20 revolutions per second (T = 0.455 s ). Don't ignore the weight of the ball which revolves on a string 0.500 m long.

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