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A rod with balls A and B of mass m each is clamped at the centre in such a way that it can rotate freely about a horizontal axis through the clamp. The system is kept at rest in the horizontal position. A particle P of the same mass m is dropped from a height h on ball B. The particle collides with B and sticks to it. Find the minimum value of h so that the system makes a complete rotation after the collision?Ans-h = 3L/2

Abhinav Kumar , 11 Years ago
Grade 12
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