InterviewSolution
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InterviewSolution
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The moments of inertia of two rotating bodies A and B are `I_(A)` and `I_(B). (I_(A) gt I_(B))` and their angular momenta are equal. Which one has greater `K.E.` ?A. `K_(A)=K_(B)`B. `K_(A)ne K_(B)`C. `K_(A) lt K_(B)`D. `K_(A)=2K_(B)` |
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Answer» Correct Answer - C Kinetic energy ` E=(L^(2))/(2I)` If angular momenta are equal , then ` E prop (1)/(I)` Kinetic energy E=K ( given in problem ) If ` I_(A) gt I_(B) ` then `K_(A) lt K_(B)` |
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