Multiple Choice
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:

Verified
Correct Answer:
Verified
Q22: By what factor is the total pressure
Q23: At the altitude h the atmospheric pressure
Q24: A solid rock,suspended in air by a
Q25: A piece of aluminum has density 2.70
Q27: Spherical particles of density 2.0 g/cm<sup>3</sup> are
Q28: The Greenland ice sheet can be one
Q29: A fluid is drawn up through a
Q30: A 15,000-N car on a hydraulic lift
Q31: A fountain sends water to a height
Q45: The SI units for viscosity are N·s/m<sup>2</sup>.Another