A 5.47-kg ball hangs from the top of a vertical pole by a 2.09-m-long string. The ball is struck, causing it to revolve around the pole at a speed of 4.49 m/s in a horizontal circle with the string remaining taut. Calculate the angle, between 0° and 90°, that the string makes with the pole. Take g = 9.81 m/s2.

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let the tension in the string T T cos theta mgeq1 T sin theta ... View the full answer