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JEE Main202127 Jul 2021Evening ShiftPhysicsRotational MotionActual

In the given figure, two wheels P and Q are connected by a belt B . The radius of P is three times that of Q . In the case of the same rotational kinetic energy, the ratio of rotational inertias I 1 I 2 will be x : 1 . The value of x will be ______.

Correct answer

0

Step-by-step solution

1 2 I 1 ω 1 2 = 1 2 I 2 ω 2 2 I 1 v 3 R 2 = I 2 v R 2 I 1 I 2 = 9 1

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