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 . The maximum height, to which its centre of mass rises, is

Question

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 . The maximum height, to which its centre of mass rises, is, 1 3 l 2 ω 2 g, 1 6 l ω g, 1 2 l 2 ω 2 g, 1 6 l 2 ω 2 g

MARKS App · Accepted Answer

T E i = T E r 1 2 I ω 2 = m g h 1 2 × 1 3 m l 2 ω 2 = m g h ⇒ h = 1 6 l 2 ω 2 g

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