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Fluid Mechanics
Page 2
Questions (2,701)
A thread of mercury of length 15cm is used to trap some air in a capillary tube with uniform cross sectional area and closed at
4 answers
asked by
Rilwan
13,754 views
it didn't let me put the link to image..
A tube of radius 5 cm is connected to tube of radius 1 cm as shown above. Water is
4 answers
asked by
Chris
1,237 views
a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim
4 answers
asked by
polly
1,441 views
How deep is the water in a tank 4m long and 3m wide if it's mass is 24000kg
4 answers
asked by
Iyore
451 views
A 30 N crate is submerged in water. The amount of buoyant force acting on the crate is 25 N. What will the crate do?
The crate
5 answers
asked by
dianni
2,502 views
A Blowhard Tests of lung capacity show that adults are able to exhale 1.5 liters of air through their mouths in as little as 1.0
3 answers
asked by
Brady
2,109 views
A cardiologist uses an ultrasound scanner with an operating frequency of 3.5 MHz that can detect Doppler frequency shifts as
4 answers
asked by
Sarah
956 views
How is the flow rate of gas controlled as it leaves a storage container?
4 answers
asked by
Tiana
785 views
A large cylindrical water tank 11.5 m in diameter and 13.5 m tall is supported 8.75 m above the ground by a stand. The water
5 answers
asked by
Lindsay
3,678 views
A tank is filled with fresh water until there is a depth of 35 ft. Determine the pressure, psig,
at the bottom of the tank.
3 answers
asked by
Gingener
1,203 views
if the atmosphere can support a column of mercury 760 mm high at sea level, what height of a hypothetical liquid whose density
4 answers
asked by
Jenna
6,397 views
A plastic cube having a side of length 10cm floats on fresh water. If the volume of the cube that is submerged into water is 40
4 answers
asked by
Ruth
189 views
The pressure at the bottom of a glass filled with water (ρ = 1000 kg/m3) is P. The water is poured out and the glass is filled
6 answers
asked by
anna
4,552 views
Examples of capillary actions
2 answers
asked by
Dorcas Eshun
82 views
A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. On the right
5 answers
asked by
Jim
3,265 views
What is the upthrust force on the boat when a small boat weighs 1000newton float in water?
2 answers
asked anonymously
131 views
A 500-litre water storage tank is situated at the top of a building at a height of 300 feet.The tank,which is completely
5 answers
asked by
Nitumoni
2,101 views
A cylinder of radius 14cm contains water.A metal solid cone of base radius 7cm and height 18cm is submerged into water. Find the
4 answers
asked by
Brian
351 views
A solid body weights 5N in water and 7N in Oil of relative density 0.85.The relative density of solid body material is?
5 answers
asked by
Akshay
2,606 views
Water from a tap flows into a bath at a rate of 750ml/s. How long does it take to fill a bath with 180 litre of water?
7 answers
asked by
Junior
3,242 views
A 1.47 x 10^6 kg steel hull has a base that is 2.5 x 10^3 m^2 in area. If it is placed in sea water (density= 1025 kg/m^3), how
4 answers
asked by
JOHN
1,311 views
A ball falls from a tall bridge. The ball has a mass of 0.15 kg. The air density is 1.225 kg/m3
. The ball’s surface area is
4 answers
asked anonymously
530 views
calculate the density of a solid which weighs 15N in air and 12N in water
6 answers
asked by
force
4,740 views
Calculate the pressure at a point 5 m below the free water surface in a liquid that has a variable density given by equation o
4 answers
asked by
Urgent
2,231 views
An object of mass 50 g floats in a liquid of density 2.5 g/ml. When the object is placed in a liquid of density 2.0 g/ml, it
4 answers
asked by
Valeriya
4,025 views
A body weighs 0.30N in air. 0.25N when fully immersed in water and 0.27N in a liquid. Calculate the relative density of the
5 answers
asked by
Rejoice
2,377 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
6,521 views
a plastic cube having 10cm floats on a fresh water.If the volume of the cube that is submerged in the water is 50% of its total
5 answers
asked by
Abraham
859 views
1. A cylindrical disk of wood weighing 45.0N and having a diameter of 30.0 cm floats on a cylinder of oil of density 0.850
5 answers
asked by
Francis
5,989 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
5,418 views
During the video clips Prof. kstra posed the question: "How many helium party balloons could you safely carry before getting
5 answers
asked by
Samar
844 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
2,610 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
2,092 views
A bird of mass 0.8kg hovers upwards by beating the mass of effective area 0.5m^2. (i) what is its upthrust? (ii) estimate the
4 answers
asked by
Edwin
1,083 views
1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to
7 answers
asked by
Leo
8,834 views
Water has a density of 1000kg/m^3. The depth of a swimming pool at the deep end is about 4m. A)What is the volume of a column of
3 answers
asked by
Sara
2,223 views
. A small statue in the shape of a falcon has a weight of 24.1 N. The owner of the statue claims it is made of solid gold.When
4 answers
asked by
Nathan
2,011 views
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in figure below, the pressure is P1 =
4 answers
asked by
abd
7,633 views
Using Torricelli's Principle, it can be shown that the depth d of a liquid in a bottle with a hole of area 0.5 cm2 in its side
4 answers
asked by
sabrina
1,173 views
A sphere was dropped into water in a graduated cylinder as shown in the following diagram.The water level rose th the new level
4 answers
asked by
Anonymous
1,381 views
Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min.
(a) What is the speed of the water
4 answers
asked by
Renee
6,174 views
A body of mass 50g is weighed in water and then in a liquid of unknown density. If the apparent masses in water and liquid are
4 answers
asked by
Victor liamz
475 views
A 45.3 g sample is placed in a graduated cylinder causing the water level to rise from 25.0 mL to 41.8 mL. Calculate the
4 answers
asked by
bob
534 views
Consider a child standing on a beach who gets hit by a wave. The child weighs 30 kg, and the portion of the wave that hits the
4 answers
asked by
Ellie
1,013 views
Two people take identical jet skis across a river, traveling at the same speed relative to the water. Jet ski A heads directly
3 answers
asked by
Johnathan
1,100 views
You need to siphon water from a clogged sink. The sink has an area of 0.36 and is filled to a height of 4.0 . Your siphon tube
3 answers
asked by
kelsi
4,614 views
1.) Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container?
2.) A
4 answers
asked by
Akitsuke
1,805 views
A 515 cm3(cm cubed) block of aluminum (D = 2.7 g/cm3) is lowered carefully into a completely full beaker of water. What is the
4 answers
asked by
Alaine'
861 views
Water is flowing in a pipe as depicted in the figure. As shown, p = 117 kPa, d = 4.67 cm, d' = 3.06 cm, v = 4.36 m/s, and h =
3 answers
asked by
please help me
2,006 views
Find the work done in pumping the water over the rim of a tank that is 40 feet long and has a semicircular end of radius 10 feet
3 answers
asked by
Anonymous
984 views
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