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There is hole of area a at the bottom of a cylinder of area A. water is filled upto a  height h and water flows out in t  second. If water is filled to a height 4 h, then it will flow out in time

Option: 1

t/4


Option: 2

2t


Option: 3

4t


Option: 4

t/2


Answers (1)

best_answer

 Time\ to\ empty\ a\ tank,t=\frac{A}{\alpha} \sqrt{\frac{2 H}{g}}

\text { or } t \,\alpha \sqrt{H} \

\therefore t_2 =\sqrt{\frac{4 H}{H}} t=2 t

Posted by

vishal kumar

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