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A ball on a string is twirled in a vertical circle with a radius of 0.60 m. A)What minimum velocity is needed so that the

A ball on a string is twirled in a vertical circle with a radius of 0.60 m.

A)What minimum velocity is needed so that the ball makes it over the top of its path without the string going slack?

B)If the ball has a mass of 200 g, what is the tension in the string at the bottom of its path at this minimum velocity?

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