Questions
A large vessel with a small hole at the bottom is filled with water and kerosene. The height of the water column is 20 cm and that of the kerosene is 25 cm. The velocity with which water flows out of the hole is (density of kerosene =0.8 gm/cc) (Neglect viscous force)
detailed solution
Correct option is C
hkdkg=xdwg⇒25×0.8g =x×1×g⇒x=20cm∴V=2g(h+x)=2×10×40×10−2=8=2×1.4=2.8m/sTalk to our academic expert!
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There are two identical small holes of area of cross-section a on the opposite sides of a tank containing a liquid of density . The difference in height between the holes is h. Tank is resting on a smooth horizontal surface. Horizontal force which will has to be applied on the tank to keep it in equilibrium is
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