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A ball is hanging on the end of a 0.39 m long string which is being swung such that the ball follows a circular path due to a centripetal acceleration of 21.97 m/s^{2}. How long does it take to make 26.4 revolutions?

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A ball is hanging on the end of a 0.49 m long string which is being swung such that the ball follows a circular path due to a centripetal acceleration of 51.43 m/s^{2}. How long does it take to make 18.1 revolutions?

A ball is hanging on the end of a 0.41 m long string which is being swung such that the ball follows a circular path due to a centripetal acceleration of 62.9 m/s^{2}. How long does it take to make 20.7 revolutions?

A ball is hanging on the end of a 0.36 m long string which is being swung such that the ball follows a circular path due to a centripetal acceleration of 0.5086 m/s^{2}. How long does it take to make 5.6 revolutions?

A ball is hanging on the end of a 0.5 m long string which is being swung such that the ball follows a circular path due to a centripetal acceleration of 159.3 m/s^{2}. How long does it take to make 25 revolutions?

A ball is hanging on the end of a 0.55 m long string which is being swung such that the ball follows a circular path due to a centripetal acceleration of 1.854 m/s^{2}. How long does it take to make 8.3 revolutions?