Questions
A thin hollow sphere of mass 'm' is completely filled with a liquid of mass 'm'. When the sphere rolls with a velocity 'V' at center of mass , then kinetic energy of the system is [neglect friction]
detailed solution
Correct option is D
total kinetic energy of the hollow sphere 12mv21+k2r2=12mv21+23=56mv2 kinetic energy of the liquid 12mv2 total kinetic energy is 56mv2+12mv2=43mv2Talk to our academic expert!
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The ratio of translational energy to total kinetic energy of a solid sphere in pure rolling motion is
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