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Relative Motion: Rain Example

A rod of leng...

Question

A rod of length $ℓ$ whose lower end is fixed on horizontal plane starts toppling from the vertical position, t velocity of the upper end when it hits thy ground is

A

\frac{g}{\sqrt[]{\frac{g}{ℓ}}}

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B

\sqrt{3 g l}

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C

3 \sqrt{g / ℓ}

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D

\sqrt{3 g / ℓ}

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Solution

The correct option is B $\sqrt{3 g l}$

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