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Two identical balls A & B of mass m each are placed on a fixed wedge as shown in figure. Ball B is kept at rest and is released just before two balls collide. Ball A rolls down without slipping on inclined plane & collide elastically with ball B. The K.E. of ball A just after the collision with ball B is ( neglect friction between A & B) ___________.
The wedge makes an angle θ with x-axis. Initially ball A is at height h and ball B is at height h/2 from the ground(x-axis)
Ans. mgh/7
Dear student,
Please draw the figure that would clear the question.
Anyways,
In such type of questions follow:
1)Conservation of energy
2)Conservation of linear and angular momentum
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