A solid sphere of 
and radius 
moving in a space becomes a circular disc of radius 
in one hour. Then the rate of change of moment of inertia in the process is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given, mass of solid sphere or disc 
Radius of solid sphere, 
Radius of circular disc, 
and time 
hour 
minute 
Moment of inertia of the solid sphere,
Similarly,
Moment of inertia of the disc,
Rate of change of moment of inertia
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