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Questions  

A disc of mass M and radius R is rolling with angular speed ω on a horizontal plane as shown in figure. The magnitude of angular momentum of the disc about the origin O is

a
12mR2ω
b
32mR2ω
c
52mR2ω
d
13mR2ω

detailed solution

Correct option is B

For plane motion of rigid body , if  rC→ be the position vector of its COM and  vC→ be theVelocity of its COM , then

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