Question:
A merry-go-round, made of a ring-like platform of radius R and mass M, is revolving with angular speed ω. A person of mass M is standing on it. At one instant, the person jumps off the ground, radially away from the centre of the round. The speed of the round afterwards is
(a) 2ω
(b) ω
(c) ω/2
(d) 0
Solution:
The correct answer is (a) 2ω
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