Determine the speed of the ball at that point
A 535 g ball swings in a vertical circle at the end of a 1.4 m-long string. When the ball is at the bottom of the circle, the tension in the string is 22 N. What is the speed of the ball at that point?
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A child of mass 25kg stands at a distance of 1m from the axle. The child then proceeds to walk toward the edge of the merry go round. What is the new angular speed of the system when the child reaches the edge?
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