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# A water fountain on the ground

Question:

A water fountain on the ground sprinkles water all around it. If the speed of water coming out of the fountain is $\mathrm{v}$, the total area around the fountain that gets wet is :-

1. $\frac{\pi}{2} \frac{v^{4}}{g^{2}}$

2. $\pi \frac{\mathrm{v}^{2}}{\mathrm{~g}^{2}}$

3. $\pi \frac{v^{2}}{g}$

4. $\pi \frac{\mathrm{v}^{4}}{\mathrm{~g}^{2}}$

Correct Option: , 4

Solution: