A small object of uniform density rolls up a curved surface with an initial velocity ‘ v ’. It reaches upto a maximum height of 
with respect to the initial position. The object is
Text Solution
Verified by ExpertsThe correct answer is:
B
: The kinetic energy of the rolling object is converted into potential energy at height 
So by the law of conservation of mechanical energy, we have
or 
Hence, the object is disc.
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