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A 0.50 kg ball that is tied to the end of a 1.0 m light cord...

A 0.50 kg ball that is tied to the end of a 1.0 m light cord is revolved in a horizontal plane with the cord making a 30° angle, with the vertical (See Fig. P7.52.) Figure P7.52 (a) Determine the ball's speed. 1.7 Correct: Your answer is correct. m/s (b) If, instead, the ball is revolved so that its speed is 4.0 m/s, what angle does the cord make with the vertical? 61.7 Correct: Your answer is correct. ° (c) If the cord can withstand a maximum tension of 8.9 N, what is the highest speed at which the ball can move?

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