A merry-go-round, made of a ring-Like platform of radius 
and mass 
, is revolving with angular speed 
. A person of mass 
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 round). The speed of the round afterwards is:
A
B
C
D
0
Text Solution
Verified by ExpertsThe correct answer is:
A
As no external torque acts on the system, angular momentum should be conserved. Hence I
constant …(i)
(as mass reduced to half, hence, moment of inertia also reduced to half)
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