A heavy ball with a weight of 110 N is hung from the ceiling of a lecture hall on a 4.4-m-long rope. The ball is pulled to one side and released to swing as a pendulum, reaching a speed of 5.3 m/s as it passes through the lowest point. What is the tension in the rope at that point?
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on the string and the force of gravity 
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A heavy ball with a weight of 110 N is hung from the ceiling of a lecture hall on a 4.4-m-long rope....
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