Exam 13: Fluids
Exam 1: Systems of Measurement86 Questions
Exam 2: Motion in One Dimension103 Questions
Exam 3: Motion in Two and Three Dimensions67 Questions
Exam 4: Newtons Laws117 Questions
Exam 5: Applications of Newtons Laws75 Questions
Exam 6: Work and Energy71 Questions
Exam 7: Conservation of Energy73 Questions
Exam 8: Systems of Particles and Conservation of Linear Momentum107 Questions
Exam 9: Rotation119 Questions
Exam 10: Conservation of Angular Momentum67 Questions
Exam 11: Gravity90 Questions
Exam 12: Static Equilibrium and Elasticity65 Questions
Exam 13: Fluids91 Questions
Exam 14: Oscillations138 Questions
Exam 15: Wave Motion122 Questions
Exam 16: Superposition and Standing Waves125 Questions
Exam 17: Temperature and the Kinetic Theory of Gases85 Questions
Exam 18: Heat and the First Law of Thermodynamics114 Questions
Exam 19: The Second Law of Thermodynamics61 Questions
Exam 20: Thermal Properties and Processes54 Questions
Select questions type
When Bernoulli's equation is written in the form
P/ +
v2 + U = C,
The constant C represents the
(Multiple Choice)
4.9/5
(82)
Two pistons of a hydraulic lift have radii of 2.67 cm and 20.0 cm. The downward force on the 2.67-cm piston that is required to lift a mass of 2000 kg supported by the 20-cm piston is
(Multiple Choice)
4.8/5
(71)
Your blood pressure is reported as 50 mm of Hg. The density of mercury is 13.6 g/cm3. Your pressure is equivalent to
(Multiple Choice)
4.7/5
(82)
A raft of density 700 kg/m3 has a surface area of 7.0 m2 and a volume of 0.7 m3. What depth does it sink into water of density 1000 kg/m3?
(Multiple Choice)
4.8/5
(89)
Which curve best represents the variation in pressure with depth in a fluid, assuming constant density? 
(Multiple Choice)
4.9/5
(82)
A metal block suspended from a spring balance is submerged in water. You observe that the block displaces 55 cm3 of water and that the balance reads 4.3 N. What is the density of the block?
(Multiple Choice)
5.0/5
(85)
Use the figure to the right to answer the next problems. A beaker is filled with water. A small plastic container contains a solid bar of aluminum, which has a mass of 40 g, and is placed on the water so that it floats. The water level reads 60 ml. Next, the bar of aluminum is taken out of the container and placed in the water so that it sinks to the bottom.
-By how much does the water level change? (density of Al is 2.7 g/cm3)
(Multiple Choice)
4.8/5
(69)
A stone of volume 1.42 10-2 m3 lies at the bottom of a freshwater lake. If the rock's specific gravity is 3.5, the work required to lift it 1 m through the water is approximately
(Multiple Choice)
4.7/5
(67)
The U-tube in the figure is sealed at both ends. It contains a gas in A, another gas in B, and mercury in C. The heights of the mercury in the two arms are as shown. The density of mercury is 13.6 g/cm3. If the pressure in A is 1 104 dyn/cm2, the pressure in B is
(Multiple Choice)
4.9/5
(78)
Pressure as a function of depth for a certain liquid is plotted on the graph. What is the density of the liquid? 
(Multiple Choice)
4.8/5
(84)
For the streamlined flow of a viscous liquid, such as water, in a capillary tube, which of the following is correct?
(Multiple Choice)
4.9/5
(90)
If a column of liquid 52 cm high supports a column of mercury ( = 13.6 g/cm3) 10 cm high, the density of the liquid is
(Multiple Choice)
4.8/5
(72)
A pipe of 2.54 cm inside diameter has a constriction in which the inside diameter is 1.27 cm. If water is flowing through this pipe with a velocity of 1.22 m/s in the main section, the velocity in the constricted section is
(Multiple Choice)
4.8/5
(81)
You are floating in a boat in a swimming pool. There are some large stones, with a density of 2.5 g/cm3, in the boat. You throw the stones out of the boat and they sink to the bottom of the pool. The water level h, measured vertically at the end of the pool __________ as the stones are thrown out.
(Multiple Choice)
4.9/5
(84)
Water from a tap is flowing at a uniform rate of 24 cm3/s into a cylindrical container. An exit tube is mounted on the side of the container at height h/2 from the base. The height h of the water remains constant. The volume flow at which the water leaves the container is
(Multiple Choice)
5.0/5
(70)
A fish model that is 5.08 cm in diameter is placed in a pipe 25.4 cm in diameter and aligned along the axis of the pipe. If the water must flow past the fish at 2.44 m/s, the water in the unconstricted part of the pipe must flow at
(Multiple Choice)
4.8/5
(75)
A block of ice 30.5 cm thick floating in fresh water just supports a man weighing 801 N. If the specific gravity of ice is 0.917, the smallest area the block can have is
(Multiple Choice)
4.8/5
(80)
Two objects with different volumes have the same apparent weight when submerged in water. If they are placed in a vacuum,
(Multiple Choice)
4.8/5
(75)
Is it possible to float an object that is less dense that water when the amount of the water is less than the weight of the object? 
(Multiple Choice)
4.9/5
(81)
A block of wood of length L = 21.0 cm, width w = 9.53 cm, and height h = 5.92 cm is just barely immersed in water by placing a mass m on the top of the block. The density of the wood is = 0.390 g/cm3. The value of m is
(Multiple Choice)
4.9/5
(84)
Showing 61 - 80 of 91
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)