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A tank containing water has an orifice i...

A tank containing water has an orifice in one vertical side. If the centre of orifice is 4.9 m below the surface level in the tank, the velocity of discharge is:

A

4.9 metre/second

B

9.8 metre/second

C

2.45 metre/second

D

zero

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The correct Answer is:
B
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