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Fluid Mechanics
Page 9
Questions (2,701)
A water level in a burette is 30cm cube if 55drops of water fall from the burette and the average volume of 1 drop is 0.12cm
5 answers
asked by
joy
650 views
for every 10 m you descend below the surface of water, the
pressure on you will increase by an amount equal to atmospheric
4 answers
asked by
seid abdu
527 views
A fireman's water hose has a diameter of about 4.0 inches. The water is flowing through it at about 14.0 m/s. The nozzle's
4 answers
asked by
DariaV
1,577 views
An original hydrometer of mass 28g
Floats with 6cm of its stem out of water. The area or cross-section of the stemost is
4 answers
asked by
Happy
825 views
The pressure on a fluid at rest in a pipe increases by 20 Pa. How does this change in pressure affect the pressure on the fluid
4 answers
asked by
kylie
2,830 views
A water pipe is inclined 31.0° below the horizontal. The radius of the pipe at the upper end is 2.00 cm. If the gauge pressure
4 answers
asked by
Abby
1,358 views
An ore sample weighs 15.00 N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in
4 answers
asked by
Happinessdelight
1,817 views
Air pressure at the surface of a fresh water lake near sea level is about 10^5 N/m2. At approximately what depth below the
3 answers
asked by
katherine
1,035 views
Your town is installing a fountain in the main square. If the water is to rise 26 m (85.3 feet) above the fountain, how much
4 answers
asked by
hai
2,817 views
A water system of 2 in.(inside diameter) pipe, having a length of 1/4 mile, is to be flushed with a volume of water equal to
4 answers
asked by
Wilfredo
2,424 views
Water is flowing in a pipe with a varying cross-section area, and at all points the water completely fills the pipe. At point 1
4 answers
asked by
Lycra
3,199 views
The drag force F (in pounds) of water on a swimmer can be modeled by F = 1.35s^2 where s is the swimmer’s speed ( in miles per
4 answers
asked by
cheyanne marie
930 views
An airplane is moving through the air at a velocity v = 227 m/s. Streamlines just over the top of the wing are compressed to 80%
4 answers
asked by
mymi
872 views
what is the force excerted on the surface of a bowling ball that has a diameter of 32cm immersed in water to a depth of 555m?
6 answers
asked by
carly
572 views
Calculate the pressure in the flask in torr, atmosphere, and pascals if ha = 114 mm.
4 answers
asked by
Mattie
1,250 views
A water tower sits on top of a hill and supplies water to citizens below. The difference in pressure between the water tower and
4 answers
asked by
Riley
1,518 views
An open tank holds water 1.25 m deep. If a small hole of cross section area 3cm^2 is made at the bottom of the tank, calculate
4 answers
asked by
Edwin
2,224 views
The highest that George can suck water up a very long straw is 2.0 m. (This is a typical value.)
What is the lowest pressure that
7 answers
asked by
SB
4,540 views
The main water line enters a house on the first floor. The line has a gauge pressure of 1.70 105 Pa.
(a) A faucet on the second
4 answers
asked by
john
4,204 views
What is the net upward force on an airplane wing of area 20 m^2 . if the speed of airflow is 300 m/s across the top of the wing
3 answers
asked by
Anonymous
140 views
A garden hose with a diameter of 1.7 cm has water flowing in it with a speed of 0.58 m/s. At the end of the hose is a nozzle. If
5 answers
asked by
Layla
757 views
suppose you have a garden hose of diameter 2 cm and you use it to fill a 25 litre bucket with water. suppose it takes 1 minute
4 answers
asked by
Nelsy
881 views
A boat floating in a large pool and displaces 25 liters of water. What is the buoyant force on the boat.
1000 liters = 1 m3
4 answers
asked by
DariaV
1,030 views
an aluminium cube has a volume of 800cm 3^. If it is total immersed in water, calculate the upthrust acting on it
4 answers
asked by
wardah
1,767 views
What is the absolute pressure if the gauge pressure is 100 kPa?
3 answers
asked by
Lance
2,082 views
A tank of water has a base a circle of radius 2 meters and vertical sides. If water leaves the tank at a rate of 6 liters per
4 answers
asked by
Anonymous
3,423 views
Water flows from a fire truck through a hose that is 11.7 cm in diameter and has a nozzle that is 2.0 cm in diameter. The
4 answers
asked by
Al
1,971 views
Small, slowly moving spherical particles experience a drag force given by Stokes' law: Fd = 6πηrv where r is the radius of the
3 answers
asked by
Dalton
2,418 views
A hose ejects water at 80cl/s through a hole 2mm in diameter.the water implinge a wall and drop off without rebounding.what is
4 answers
asked by
newton
1,183 views
To be dimensionally consistent, pressure [M/LT2], density [M/L3], and velocity [L/T] must be related as follows.
Select one: a.
4 answers
asked by
Anonymous
3,599 views
for every 10 m you descend below the surface of water, the pressure on you will increase by an amount equal to atmospheric
6 answers
asked by
Gersum
1,650 views
When a solid is dropped from the boat (floating in water)into the water ,then the level of water will fall if density of that
3 answers
asked by
zoha
2,274 views
Calculate the pressure in newtons per square meter due to whole
blood in an IV system, such as the one shown in Figure 6.9, if h
4 answers
asked by
Anonymous
1,158 views
A liquid of density 1354 kg/m^3
flows with speed 2.45 m/s into a pipe of diameter 0.29 m. The diameter of the pipe decreases to
4 answers
asked by
michelle
3,011 views
A commonly used rule of thumb is that the average velocity in pipe should be about 1m/s or less"thin" fluids( viscosity about
2 answers
asked by
Anonymous
844 views
An airplane whose airspeed is 295 km/h flies parallel to the direction of a wind with a speed of 40.0 km/h.
What are the two
4 answers
asked by
Anonymous
1,706 views
The maximum gauge pressure in a hydraulic lift is 19.0 atm. What is the largest size vehicle (kg) it can lift if the diameter of
4 answers
asked by
Anonymous
4,412 views
A large tank is filled with water to a depth of d = 18 m. A spout located h = 13 m above the bottom of the tank is then opened
4 answers
asked by
Sam
5,127 views
The question I have is based on air having a density of 0.0013(g/mL).
What is the mass of 550mL of air? How do I use the formula
3 answers
asked by
Sierra
916 views
River currents (miles per hour) at a certain location are given below. The current direction at this location was “from the
4 answers
asked by
questioner
546 views
Which statements are true about the weight of an object and the buoyant force exerted on that object when it is placed in a
3 answers
asked by
Eisheth
1,108 views
Water flows with a speed of 2.5 m/s through a section of hose with a cross-sectional area of 0.0084 m^2. Further along the hose
5 answers
asked by
Layla
892 views
A uniform capillary tube closed at one end contained dry air trapped by a thread of mercury 8.5×10^-2m long.When the tube was
4 answers
asked by
Rilwan
2,603 views
A boat crosses a river of width 164 m in which
the current has a uniform speed of 1.3 m/s. The pilot maintains a bearing (i.e.,
4 answers
asked by
Kate
837 views
A pressure difference of 1.5x10^3 Pa draws water from a well. The water emerges from the pump with a speed of 17.0 m/s. What is
4 answers
asked by
bill nye
781 views
A dike in Holland springs a leak through a hole of area 0.80 cm2 at a depth of 1.2 m below the water surface.
How much force must
5 answers
asked by
dave
1,867 views
A block of mass M=0.525kg is floating stationary in a beaker of water. A string connected to the bottom of the beaker holds the
3 answers
asked by
Emily
1,071 views
2. If a pump discharges 284 liters per minute of water whose density is 985 kg/m3
. Find (a) mass flow rate in kg/min; (b) the
3 answers
asked by
binjok
2,937 views
The density of gasoline is 0.72 grams per cubic centimeter. What is the mass in units of kilograms of a 5-gallon container
4 answers
asked by
Seth
2,012 views
A storage tank of negligible mass and 30m high is filled with gasoline. Please calculate the following. Use density values found
3 answers
asked by
Kati
2,567 views
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