A) \[\sqrt{2}gh\]
B) \[\sqrt{2}g\left( h+\frac{m}{\rho A} \right)\]
C) \[\sqrt{g\left( h+\frac{m}{\rho A} \right)}\]
D) \[\sqrt{g\left( h+\frac{2m}{\rho A} \right)}\]
Correct Answer: B
Solution :
[b] \[h\rho g+\frac{mg}{A}=\frac{1}{2}\rho {{v}^{2}}\]
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