A thin uniform rod of length l and mass m is swinging freely about a horizontal axis passing through its end. Its maximum angular speed is ω Its centre of mass rises to a maximum height of
(a) 1l2ω2/3g
(b) 1lω/6g
(c) 1l2ω2/2g
(d) 1l2ω2/6g
Correct Option (d) 1l2ω2/6g
Explanation:
By conservation of energy,
Initial total energy = Final total energy
