a) The angular velocity of the earth around the sun increases when it comes closure to the sun, why? b) A disc having moment of inertia \( 10\text{…
Class 12 Physics · 2083 · Solved Question with Answer
a) The angular velocity of the earth around the sun increases when it comes closure to the sun, why?
b) A disc having moment of inertia \( 10\text{ kg m}^2 \) about its center rotates steadily with angular velocity of \( 20\text{ rad s}^{-1} \). Find:
i) Rotational kinetic energy
ii) Number of revolution per second