Water enters through end A with a speed 0, and leaves through end B with a speed u_2 of a cylindrical tube AB.
Water enters through end A with a speed 0, and leaves through end B with a speed u2 of a cylindrical tube AB. The tube is always completely filled with water. In case I the tube is horizontal, in case II it is vertical with the end A upward and in case III it is vertical with the end B upward. We have v1 = v2 for
(a) case I
(b) case II
(c) case III
(d) each case.
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(d) each case.
EXPLANATION:
Since the water is incompressible, the volume of water entering end A and leaving through end B per unit time will remain constant in each case. Since the area of the cross-section of the cylindrical tube will be constant, v₁ = v₂ for each case.
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