Problem 3
A 6.0 m ✕ 12.0 m swimming pool slopes linearly from a 1.0 m depth at one end to a 3.0 m depth at the other. What is the mass of water in the pool?
Problem 4b
50 cm³ of gasoline are mixed with 50 cm³ of water. What is the average density of the mixture?
Problem 5
The deepest point in the ocean is 11 km below sea level, deeper than Mt. Everest is tall. What is the pressure in atmospheres at this depth?
Problem 6
A 1.0-m-diameter vat of liquid is 2.0 m deep. The pressure at the bottom of the vat is 1.3 atm. What is the mass of the liquid in the vat?
Problem 7a
What volume of water has the same mass as 8.0 m³ of ethyl alcohol?
Problem 11a
The container shown in FIGURE EX14.11 is filled with oil. It is open to the atmosphere on the left. What is the pressure at point 1?
Problem 11b
The container shown in FIGURE EX14.11 is filled with oil. It is open to the atmosphere on the left. What is the pressure difference between points 1 and 2? Between points 1 and 3?
Problem 12
What is the height of a water barometer at atmospheric pressure?
- What is the minimum hose diameter of an ideal vacuum cleaner that could lift a 10 kg (22 lb) dog off the floor?
Problem 14
Problem 15
A 6.00-cm-diameter sphere with a mass of 89.3 g is neutrally buoyant in a liquid. Identify the liquid.
Problem 16
A 2.0 cm ✕ 2.0 cm ✕ 6.0 cm block floats in water with its long axis vertical. The length of the block above water is 2.0 cm. What is the block's mass density?
Problem 19
What is the tension of the string in FIGURE EX14.19?
Problem 23
Styrofoam has a density of 150 kg/m³. What is the maximum mass that can hang without sinking from a 50-cm-diameter Styrofoam sphere in water? Assume the volume of the mass is negligible compared to that of the sphere.
Problem 28
What does the top pressure gauge read in FIGURE EX14.28?
Ch 14: Fluids and Elasticity