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5.I A 1500 kg car drives around a flat 200-m-diameter circular track at 25 m/s. What are the magnitude and direction of the net force on the car? What causes

this force? I A 500g hall swings in a vertical circle at the end of a 1.5-m-longstring. When the hall is at the bottom of the circle, the tension inthe string is 15 N. What is the speed of the ball at that point?

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