ball of mass M attached to strong of length L moves in circlein vertical plane.

Question

ball of mass M attached to strong of length L moves in circlein vertical plane. At top of circular path tension in string is 2 xweight of ball. The speed of the ball at the top is v =3gL If the string is cut when ball is at top determine time ittakes ball to reach the ground. All answers are in terms ofM, L and g ball of mass M attached to strong of length L moves in circlein vertical plane. At top of circular path tension in string is 2 xweight of ball. The speed of the ball at the top is v =3gL If the string is cut when ball is at top determine time ittakes ball to reach the ground. All answers are in terms ofM, L and g

Explanation / Answer

The question doesn't give the height of the center of the circleabove the ground. We assume the top point is 2L above the ground, then 2L = gt2/2 t = (4L/g)

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