First slide

Fluid dynamics

Question

A cylindrical vessel of 90 cm height is kept filled upto the brim. It has four holes 1, 2, 3, 4 which are respectively at heights of 20 cm, 30 cm, 45 cm and 50 cm from the horizontal floor PQ. The water falling at the maximum horizontal distance from the vessel comes from

Moderate

A

Hole number 4
B

Hole number 3
C

Hole number 2
D

Hole number 1

Solution

Horizontal range will be maximum when $h = \frac{H}{2} = \frac{90}{2}$ = 45 cm i.e. hole 3.

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