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Fluid Mechanics
Page 6
Questions (2,722)
At a factory workers are draining a large vat containing water. The water is being drained at a constant rate. The table below
5 answers
asked by
ben
2,700 views
A cake of soap placed in a bathtub of water sinks. The buoyant force on the soap is:
a- Zero b- Less than its weight c- Equal to
5 answers
asked by
DMITRIC
5,860 views
A board that is 20 cm wide, 5 cm thick, and 3 m long has a density of 350 kg/m^3. The board is floating partially submerged in
4 answers
asked by
David
7,889 views
The level of water in an Olympic size swimming pool (50.0 meters long, 25.0 meters wide, and about 2 meters deep) needs to be
7 answers
asked by
jode
5,035 views
Mercury has a density of 13600 kg/m3. At what depth in millimetres is the pressure in mercury equal to that of standard
4 answers
asked by
Kaiz
3,225 views
Water flows at the rate of 2000 cibic cm per second into a verical cylindrical tank 120 cm in diameter and 6 m high. How fast is
5 answers
asked by
James
2,106 views
A boat crosses a river of width 122 m in which the current has a uniform speed of 2.39 m/s. The pilot maintains a bearing (i.e.,
6 answers
asked by
Greg Knightly
8,337 views
The weight of the atmosphere above 1 m^2 of Earth's surface is about 100,000 N. Density, of course, becomes less with altitude.
4 answers
asked by
C
6,532 views
A car misses a turn and sinks into a shallow lake to a depth of 8.9 m. If the area of the car door is 0.51 m2, what is the force
4 answers
asked by
katie please help:)
1,562 views
Two liquids of different densities (Ο1 = 1500 kg/m3, Ο2 = 500 kg/m3) are poured together into a 100 L tank, filling it. If the
4 answers
asked by
nick
12,181 views
Water is to be pumped to the top of a skyscraper, which is 1270 ft high. What gauge pressure is needed in the water line at the
4 answers
asked by
Sam
3,725 views
A raft is 4.2 m wide and 6.5 m long and it floats on water (density of water = 1000 kg/m3). When a horse is loaded onto the
4 answers
asked by
Joe Shmo
6,091 views
Please someone help..A horizontal pipe 10.0cm in diameter has a smooth reduction to a pipe 5.0cm in diameter. If the pressure of
5 answers
asked by
Waim Mathew
8,325 views
A river flows toward the East at 1.5 m/s. Steve can swim 2.2 m/s in still water. If he wishes to cross the river so that his
6 answers
asked by
Al Hasiff
2,373 views
A swimmer can swim in still water at a speed
of 9.31 m/s. He intends to swim directly across a river that has a downstream
4 answers
asked by
Diego
2,979 views
A piece of gold-aluminium alloy weighs 49N when suspended from a spring balance and submerged in water it weighs 39.2N what is
5 answers
asked by
Barry
2,633 views
A pump is needed to lift water from a well though a height of 3.0 m at a rate of
0.6kg/min. What must be the minimum power of the
4 answers
asked by
Oscar chilembo
772 views
On a perfect fall day, you are hovering at a low altitude in a hot-air balloon, accelerated neither upward nor downward. The
4 answers
asked by
Snowy
2,656 views
A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river. If the rectangular barge is 3 m by 20 m and sits
5 answers
asked by
luma
4,786 views
if pressure inside a cylinder with a circular hatch is 2 atm and the radius of the entrance hatch is 12 inches, what force does
4 answers
asked by
Lauren
2,360 views
The 3.0 cm-diameter water line splits into two 1.0cm-diameter pipes. All pipes are circular and at the same elevation. At point
6 answers
asked by
ana
3,789 views
A frog in a hemispherical bowl, as shown below, just floats in a fluid with a density of 1.26*10e3 kg/m3. If the bowl has a
9 answers
asked by
Drew
5,081 views
A liquid (density = 1.65 g/cm^3) flows through two horizontal sections of tubing. In the first section the cross-sectional area
5 answers
asked by
Daniel
3,311 views
The flow rate of a liquid through a 2.0cm radius pipe is 0.0080 m^3/s. the average fluid in the pipe is?
i know that Av=volume
6 answers
asked by
BrOwN GuRL
5,085 views
How much absolute (total) pressure must a submarine withstand at a depth of 120m in the lake. Give answer in kPa. (Use 10m/s^2
4 answers
asked by
Tammy
3,529 views
For an ideal fluid flowing through a horizontal pipe, Bernoulli's principle and the continuity equation state that the pressure
4 answers
asked by
Anonymous
2,507 views
A metal block of density 900kg/m3 weighs 60N in air . Find its weight when immersed in paraffin wax of density 800kg/m3
10 answers
asked by
Hidf
5,432 views
At what upstream angle must the swimmer aim, if she is to arrive at a point directly across the stream of a 42-m-wide river
4 answers
asked by
Anonymous
3,735 views
1)A car misses a turn and sinks into a shallow lake to a depth of 11.4 m. If the area of the car door is 0.56 m2, what is the
4 answers
asked by
Jamine
1,314 views
The atmospheric pressure is 764.7 torr. A gas sample is placed in a flask attached to an open-end mercury manometer. The height
6 answers
asked by
Anonymous
3,538 views
three different liquids are used in a manometer.
(a) derive an expression for P1-P2 in terms of ro(a), ro(b), ro(c), h1, and h2
4 answers
asked by
Marissa
5,178 views
A 1420-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16930 N on the
4 answers
asked by
Anonymous
989 views
A test tube standing vertically in a test tube rack contains 2.4 cm of oil, whose density is 0.81 g/cm^3 and 6 cm of water. What
4 answers
asked by
Solana
1,805 views
*Specific Gravity
A cylinder of plastic is 100 mm long and 50 mm in diameter. It has a mass of 1 kg. Determine its specific
5 answers
asked by
Myka
2,715 views
a sphere of radius r moving with
velocity v through a fluid experiences a retarding force f given by F=6r^yv^zn^x where n is the
4 answers
asked by
charles
2,462 views
If your boat weighs 1600 N, how much water will it displace when itβs floating motionless at the surface of a lake?
6 answers
asked by
Anonymous
3,331 views
How fast does water flow from a hole at the bottom of a very wide, 3.7 m deep storage tank filled with water? Ignore viscosity.
4 answers
asked by
Anonymous
5,267 views
A diver is currently located at a depth of 50m in the ocean. (if the density of sea water is 1025ππ/π3 and
5 answers
asked by
besmengesha
3,002 views
the velocity of the water jet discharging from the orifice can be obtained from v = (2gh)^(1/2), where h = 2m is the depth of
4 answers
asked by
-
5,725 views
How is pulling up on the flat rubber sheet on the table similar to pulling on the piston in the capped syringe? (Select all that
4 answers
asked by
Tris
981 views
What is the absolute pressure at the bottom of a storage tank of oil 18-m deep that is open to the atmosphere? Take the density
4 answers
asked by
timmy
2,121 views
A bathysphere used for deep sea exploration has a radius of 1.50 m and a mass of 1.20 Γ 104 kg. In order to dive, the sphere
4 answers
asked by
Sydney
4,778 views
The pressure at the bottom of a vessel filled with liquid does not depend on:
a- the acceleration of gravity b- the liquid
5 answers
asked by
DMITRIC
6,410 views
A 10-kg block slides down a smooth inclined surface. Determine the terminal velocity of the block if the 0.1-mm gap between the
4 answers
asked by
pramoda
4,780 views
An object floats with half of its volume beneath the surface of the water. The weight of the displaced water is 2000N. What is
5 answers
asked by
Tammy
3,751 views
a swimmer is capable of swimming at 1.4ms in still water how far downstream will he land if he sweams directy across a 180M wide
4 answers
asked by
Anonymous
2,027 views
an object floats with 1/2 of its volume beneath the surface of the water. the weight of the displaced water=2000 N. what is the
4 answers
asked by
john
1,298 views
A solid square pinewood raft measures 4.0 m on a side and 0.3m thick. Given the density of pinewood as 550kg/m^3 and that of
5 answers
asked by
Modester Kaminga
545 views
A rectangular storage tank 4m long by 3m wide is filled with paraffin to a depth of 2m given that the density of paraffin is
5 answers
asked by
yalina
2,623 views
Why is it possible to float a pin on the surface of water?
A. The molecules of water on the surface change bonding as they dry
4 answers
asked by
Cortney
2,099 views
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