Angular velocity of a vertical rod hinged at the ground when it strikes the ground

1. A.
   $\sqrt{\frac{g}{l}}$
2. B.
   $\sqrt{mgl}$
3. C.
   $\sqrt{\frac{3g}{l}}$
4. D.
   $\sqrt{\frac{mg}{3l}}$

Tap an option to check your answer.

1. A.
   $\sqrt{\dfrac{2g}{l}}$
2. B.
   $\sqrt{\dfrac{3g}{l}}$
3. C.
   $\sqrt{\dfrac{mg}{l}}$
4. D.
   $\sqrt{\dfrac{mg}{3l}}$

Tap an option to check your answer.