Q. 29

Suppose the tube in the previous problem is kept vertical with A upward but the other conditions remain the same. The Separation between the cross sections at A and B is 15/16 cm. Repeat parts (a), (b) and (c) of the previous problem. Take g = 10 m s-2.

Answer :

Given, the length between the cross sections of A and B is 15/16 cm.


From the previous solution, velocity at A is and velocity at B is . These would remain the same as the same as changing the orientation doesn’t change the volume of water flowing from the tubes.


(c) From Bernoulli’s equation




Hence the pressure difference is .


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