NCERT Exercise 6.11 - System of Particles and Rotational Motion

Question: A 20 kg solid cylinder, radius 0.25 m, rotates at 100 rad/s. Find rotational kinetic energy and angular momentum.

Answer: K = **3125 J**; L = **62.5 kg m² s^-1**.

Full step-by-step NCERT solution with diagrams on Something by Zero.