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A 2.4-kg object attached to a horizontal string moves with constant speed in a circle of radius

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A 2.4-kg object attached to a horizontal string moves with constant speed in a circle of radius R on a frictionless horizontal surface. The kinetic energy of the object is 90 J and the tension in the string is 360 N. Find R.

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Kinetic energy 12mv 2 Further k...View the full answer


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