1.

A tank is filled with water up to a height H. Water is allowed to come out of a hole P in one of the walls at a depth D below the surface of water. Express the horizontal distance x in terms of H and D                             [MNR 1992; CPMT 2004]

A.             \[x=\sqrt{D(H-D)}\]
B.             \[x=\sqrt{\frac{D(H-D)}{2}}\]
C.             \[x=2\sqrt{D(H-D)}\]
D.             \[x=4\sqrt{D(H-D)}\]
Answer» D.             \[x=4\sqrt{D(H-D)}\]


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