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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

Calculate the angular momentum of a body whose rotational kinetic energy is 10 Joule, if its moment of inertia about the (fixed) axis of rotation, with which the angular momentum vector coincides, is kg m².

Answer: (A)

Solution

\dfrac{L^2}{2I}\sqrt{2EI}\sqrt{2(10)(8×10^{-7})}$

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Question ID VK-159046