A boy of mass M stands on a platform of radius R capable to rotate freely about its axis. The moment of inertia of the platform is I. The system is at rest. The friend of the boy throws a ball of mass m with a velocity v horizontally. The boy on the platform catches it. Find the angular velocity of the system in the process.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
mvR = [I + (M + m)R 2 ] ω ω
or ω ω = 
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