A cricket mat of mass 50 kg is rolled loosely in the form of a cylinder of radius 2m. Now…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A cricket mat of mass 50 kg is rolled loosely in the form of a cylinder of radius 2m. Now again it is rolled tightly so that the radius becomes 3/4th of original value; then the ratio of moment of inertia of mat about its axis in the two cases is:
- 1:3
- 4:3
- 3:5
- 16:9
Answer
(D) 16:9
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