A ball of mass 0.500 kg is attached to the end of a cord 1.90 m long. The ball i

Question

A ball of mass 0.500 kg is attached to the end of a cord 1.90 m long. The ball is whirled in a horizontal circle as shown in the figure. If the cord can withstand a maximum tension of 49.6 N, what is the maximum speed at which the ball can be whirled before the cord breaks? Assume the string remains horizontal during the motion.

Calculate the tension in the cord if the speed of the object is 8.0 m/s. T = N

A ball of mass 0.500 kg is attached to the end of a cord 1.90 m long. The ball is whirled in a horizontal circle as shown in the figure. If the cord can withstand a maximum tension of 49.6 N, what is the maximum speed at which the ball can be whirled before the cord breaks? Assume the string remains horizontal during the motion. Calculate the tension in the cord if the speed of the object is 8.0 m/s. T = N

Explanation / Answer

mv^2/r=49.6 v=13.72m/s max v T at v=8 16.842 N

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