Author Question: A fountain sends water to a height of 100 meters. What must be the pressurization (above ... (Read 130 times)

Pea0909berry · **on:** Jul 28, 2018

A fountain sends water to a height of 100 meters. What must be the pressurization (above atmospheric) of the water system? 1 ATM = 1.01 105 N/m2.
a. 1.0 ATM
b. 4.2 ATM
c. 7.2 ATM
d. 9.7 ATM
e. 8.2 ATM

Question 2

Water pressurized to 3.5 105 Pa is flowing at 5.0 m/s in a horizontal pipe which contracts to 1/3 its former area. What are the pressure and velocity of the water after the contraction?
a. 2.5 105 Pa, 15 m/s
b. 3.0 105 Pa, 10 m/s
c. 3.0 105 Pa, 15 m/s
d. 4.5 105 Pa, 1.5 m/s
e. 5.5 105 Pa, 1.5 m/s