Questions
Two circular discs A and B are of equal masses and thicknesses but made of metal with densities dA and dB (dA > dB).If their moments of inertia about an axis passing
through their centers and perpendicular to circular faces are IA and IB, then
detailed solution
Correct option is C
Let M be the mass of each disc. Let RA and RB, be the radii of discs A and B, respectively. Then M=πRA2tdA=πRB2tdB As dA>dB, so RA2Talk to our academic expert!
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