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 w(omega). its centre of mass rises to a max. height of?

Answer 1

options are
\[1) 1l ^{2}\omega ^{2}\div3g\]
\[2) 1l \omega \div6g\]
\[3) 1l ^{2}\omega ^{2}\div2g\]
\[4) 1l ^{2}\omega ^{2}\div6g\]

Answer 2

it comes in my xam and this qn move above from my head sso i didnt solve this :P and asking u guys how to solve

Answer 3

eve i have solution too but need sm1 to explain may i post the solution?

Answer 4

i think this fig and think we use consevation of E

Answer 5

yes