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A cylindrical vessel of 90 cm height is ...

A cylindrical vessel of `90 cm` height is kept filled up to the brim. It has four holes `1,2, 3` and `4` which are, respectively, at heights of `20 cm, 30 cm, 40 cm` and `50 cm` from the horizontal floor `PQ`. The water falling at the maximum horizontal distance from the vessel comes from

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Different holes of the cylindrical vessel are shown in the figure. Water comes out from different holes with different speeds. Therefore range will be different corresponding to different holes,

Horizontal range will be maximum
when `h=(H)/(2)=(90)/(2)=45 cm`
This height corresponds to hole 3.
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