Aball of mass m = 4.6 kg, at one end of a string of length l= 6.6 m, rotates in a vertical circle just fast enough to prevent the string from going slack at the top of the circle. assuming mechanical energy is conserved, calculate the speed of the ball at the bottom of the circle.
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The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.
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A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?
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Aball of mass m = 4.6 kg, at one end of a string of length l= 6.6 m, rotates in a vertical circle ju...
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