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A cylinder of height 20 m is completely filled with water. The velocity of efflux of efflux of water (in m/s) through a small hole on the side wall of the cylinder near its bottom is

A) 10

B) 20

C) 25.5

D) 5

1 Answer

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Best answer

B) 20

Explanations:

v =\(\sqrt{2gh}\)

\(\sqrt{2\times10\times20}\)

=20 m/s

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