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  • A cyclindrical vessel of cross-sectional area , is fitted

A cyclindrical vessel of cross-sectional area 1000 \, \, \mathrm{cm}^2, is fitted with a frictionless piston of mass 10 \mathrm{~kg}, and filled with water completely. A small hole of crosssectional area 10 \mathrm{~mm}^2 is opened at a point 50 \mathrm{~cm} deep from the lower surface of the piston. The velocity of efflux from the hole will be

Option: 1

10.5 m/s


Option: 2

3.4 m/s


Option: 3

0.8 m/s


Option: 4

0.2 m/s


Answers (1)

best_answer

\mathrm{P_0+P_{10 \mathrm{~kg}}+h \rho g \quad=P_0+\frac{1}{2} \rho V^2}

Posted by

himanshu.meshram

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