Water (density = 1 × 103 kg/m3) flows at 16 m/s through a pipe with radius 0.040 m.The pipe goes up to the second floor of the building,3.0 m higher,and the pressure remains unchanged.What is the speed of the water flow in the pipe on the second floor?
A) 13 m/s
B) 14 m/s
C) 15 m/s
D) 16 m/s
Correct Answer:
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