Question:

26.A horizontal circular platform of masss M is rotating at angular velocity Omega about a vertical axis passing through its centre. A boy of mass m is standing at the edge of the platform. If the boy comes to the centre of the platform, then the new angular velocity becomes

Options :

  • a) (1+(2m/M))ω
  • b) (1+(m/2M))ω
  • c) (1+(m/M))ω
  • d) (1+(m/M))

Answer :

a) (1+(2m/M))ω

Answer Steps :

Step1 :-

Step2 :-

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