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 center of the round (as seen from the round). The speed of the round afterwards is
Text Solution
Verified by ExpertsA
As no external torque acts on the system, angular momentum should be conserved.
Hence, 
constant …(i)
where, 
is moment of inertia of the system and 
is angular velocity of the system.
From Eq. (i), 
(where, 
and 
are angular velocities before and after jumping)
(As mass reduced to half, hence moment of inertia also reduced to half)
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems