A 0.50 kg ball that is tied to the end of a 1.5 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. 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? (c) If the cord can withstand a maximum tension of 9.5 N, what is the highest speed at which the ball can move?

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Chapter11: Angular Momentum
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A 0.50 kg ball that is tied to the end of a 1.5 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.
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?
(c) If the cord can withstand a maximum tension of 9.5 N, what is the highest speed at which the ball can move?
m/s
Transcribed Image Text:A 0.50 kg ball that is tied to the end of a 1.5 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. 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? (c) If the cord can withstand a maximum tension of 9.5 N, what is the highest speed at which the ball can move? m/s
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