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Water is maintained at a constant level ...

Water is maintained at a constant level of 4.9 m in a big tank. The tank has a small hole to the wall near the bottom. The bottom of the tank is 2.5 above the ground level. The horizontal distance at which water touches are ground is

A

19.6m

B

7.m

C

35 m

D

78.4 m

Text Solution

Verified by Experts

The correct Answer is:
B
`"range"=V_("efflux")xxsqrt((2H)/(g))`
`=sqrt(2gh)xxsqrt((2H)/(g))=2sqrt(hH)`
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