Q.
A mass m of radius r is rolling horizontally without any slip with a linear speed v. It then rolls up to a height given by 34v2g
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a
the body is identified to be a disc or a solid cylinder
b
the body is a solid sphere
c
MOI of the body about instantaneous axis of rotation is 32mr2
d
MOI of the body about instantaneous axis of rotation is 25mr2
answer is A.
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Detailed Solution
Use v=2ghβ where,β=1+IMr2
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