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 round, radially away from the centre of the round (as seen from the rough). The speed to the round of afterwards is

Q: 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 round, radially away from the centre of the round (as seen from the rough). The speed to the round of afterwards is

(a) 2 ω

(b) ω

(c) ω/2

(d) 0

Ans: (a)