A round disc of moment of inertia 
about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia 
rotating with an angular velocity 
about the same axis. The final angular velocity of the combination of discs is
a)
b)
c)
d)
A round disc of moment of inertia about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia rotating with an angular velocity about the same axis. The final angular velocity of the combination of discs is
a)
b)
c)
d)
Question ID - 52584 | SaraNextGen Top Answer
A round disc of moment of inertia about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia rotating with an angular velocity about the same axis. The final angular velocity of the combination of discs is
a)
b)
c)
d)
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A round disc of moment of inertia |
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a) |
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b) |
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c) |
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d) |
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(c) The angular momentum of a disc of moment of inertia
When a round disc of moment of inertia
In the absence of any external torque, angular momentum remains conserved,
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and rotating about its axis with angular velocity 
is
is placed on first disc, then angular momentum of the combination is
.,
