Multiple Choice
Pressure in a fluid: The two water reservoirs shown in the figure are open to the atmosphere, and the water has density 1000 kg/m3. The manometer contains incompressible mercury with a density of 13,600 kg/m3. What is the difference in elevation h if the manometer reading m is 25.0 cm?
A) 1.58 m
B) 4.20 m
C) 3.75 m
D) 3.40 m
E) 3.15 m
Correct Answer:

Verified
Correct Answer:
Verified
Q40: Pressure in a fluid: The weight of
Q41: Flow rate: Water flows through a pipe
Q42: Pressure in a fluid: Fluid fills the
Q43: Bernoulli's principle: Air is flowing through a
Q44: Buoyancy: Salt water is more dense than
Q46: Pressure in a fluid: At a certain
Q47: Pressure in a fluid: A cubical box,
Q48: Bernoulli's principle: In a section of horizontal
Q49: Buoyancy: A wooden raft has a mass
Q50: Bernoulli's principle: As the speed of a