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A vertical tank, open at the top, is fil...

A vertical tank, open at the top, is filled with a liquid and rests on a smooth horizontal surface. A small hole is opened at the centre of one side of the tank. The area of cross-section of the tank is N times the area of the hole, where N is a large number. Neglect mass of the tank itself. The initial acceleration of the tank is

A

`(g)/(2N)`

B

`(g)/(sqrt(2)N)`

C

`(g)/(N)`

D

`(g)/(sqrt(N))`

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