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AP EAMCET2011PhysicsKinetic Theory of Gases

A thin hollow sphere of mass m is completely filled with a liquid of mass m . When the sphere rolls with a velocity v , kinetic energy of the system is (neglect friction)

Options

  1. A1 2 m v^2
  2. Bm v^2
  3. C4 3 m v^2
  4. D4 5 m v^2

Correct answer

C. 4 3 m v^2

Step-by-step solution

aligned Total energy & = KE + rotational KE & = 1 2 (2 m) v^2+ 1 3 m v^2 & = 4 3 m v^2 aligned

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