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QUESTION
A 400 g ball swings in a vertical circle at the end of a 1.5 m-long string. When the ball is at the bottom of the circle, the tension in the string...
A 400 g ball swings in a vertical circle at the end of a 1.5 m-long string. When the ball is at the bottom of the circle, the tension in the string is 11 N. What is the speed of the ball at that point?
