If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Rotational Motion — quick quiz

5 real NSEA questions on Rotational Motion. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

A neutron star with initial angular velocity ω₀ and moment of inertia I₀ collapses such that its radius becomes half. Assuming angular momentum is conserved, by what factor does its rotational kinetic energy increase?