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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:

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