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A ball of negligible size placed on a sphere of same mass. The ball is slightly pushed after some time the ball make an angle of 30 with the vertical speed of sphere find velocity of sphere?

A ball of negligible size placed on a sphere of same mass. The ball is slightly pushed after some time the ball make an angle of 30 with the vertical speed of sphere find velocity of sphere?

Grade:11

2 Answers

Ashish Kumar
askIITians Faculty 32 Points
10 years ago
The kinetic energy gained by both the ball and the sphere will be equal to the potential energy lost by the ball.Also in the horizontal direction no external force acts , so momentum will be conserved in this direction which is initially zero.

169-1889_ball sphere.GIF



169-1104_signature.GIF
Ashish Kumar
askIITians Faculty 32 Points
10 years ago

169-1124_ball sphere.GIF



169-919_signature.GIF

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