Water is flowing through a pipe with a constriction. The area ofthe narrow section is one-half the area of the wide section. If thevelocity of the incompressible fluid is 3.2 m/s in the widesection, then what is the velocity of the fluid in the narrowsection?

A. 4.7 m/s
B. 5.9 m/s
C. 6.4 m/s
D. 4.2 m/s
E. 5.0 m/s

(I think the answer is C, but I dont know how to get it. Could youexplain)


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