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In space of horizontal EF (E = (mg)//q) ...

In space of horizontal `EF (E = (mg)//q)` exist as shown in figure and a mass m is released at the end of a light rod. If mass m is releases from the position shown in figure find the angular velocity of the rod when it passes through the bottom most position
.

A

`sqrt((g)/(l))`

B

`sqrt((2g)/(l))`

C

`sqrt((3g)/(l))`

D

`sqrt((5g)/(l))`

Text Solution

Verified by Experts

The correct Answer is:
B
`W_(E)+W_(g)=DeltaK.E`
Use work energy theorem
`(Eq)l sintheta+mgl(1-costheta)=(1)/(2)IomegaQ^(2)`
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