Question

A sealed tank containing seawater to a height of 10.7 m also contains air above the water at a gauge pressure of 3.15 atm . Water flows out from the bottom through a small hole. How fast is the water moving?

Answer #1

A sealed tank containing seawater to a height of 11.5 m also
contains air above the water at a gauge pressure of 2.90 atm. Water
flows out from the bottom through a small hole. How fast is this
water moving?

A sealed tank containing seawater to a height of 11.0 m also
contains air above the water at a gauge pressure of 3.00 atm. Water
flows out from the bottom through a small hole. How fast is this
water moving?
Is it true that the initial pressure is 3atm + 1atm, if so why?
is it because when the container is sealed there is still air in it
BEFORE you seal it. And then when you seal it you apply...

A sealed tank holds water to a depth of 2.68 m.Above the water
is air, pressurized to 243 kPa. If you open a small hole in the
bottom of the tank, exposing the water at the bottom to standard
atmospheric pressure, at what speed will the water initially
emerge?
v=

A closed and elevated vertical cylindrical tank with diameter
2.20 m contains water to a depth of 0.900 m . A worker accidently
pokes a circular hole with diameter 0.0180 m in the bottom of the
tank. As the water drains from the tank, compressed air above the
water in the tank maintains a gauge pressure of 5.00×103Pa at the
surface of the water. Ignore any effects of viscosity.
Part A
Just after the hole is made, what is the...

A student fills a tank of radius .15m with water to a height of
.5m and pokes a small, 1.0 cm diameter hole at a distance 0.03m
from the bottom of the tank. The water flows out of the small hole
into an empty, 0.2 m diameter container placed below the
tank. The student uses a garden hose to keep the water
level in the tank at the original height.
What is the velocity of the water as it leaves the...

A closed and elevated vertical cylindrical tank with diameter
1.40 m contains water to a depth of 0.800 m . A worker accidently
pokes a circular hole with diameter 0.0140 m in the bottom of the
tank. As the water drains from the tank, compressed air above the
water in the tank maintains a gauge pressure of 5.00×103Pa at the
surface of the water. Ignore any effects of viscosity.
Questions
1. How much time does it take for all the...

A closed and elevated vertical cylindrical tank with diameter 80
cm contains water to a depth of 0.900 m . A worker opens a circular
hole with diameter 12 cm in the bottom of the tank. As the water
drains from the tank, compressed air above the water in the tank
maintains a gauge pressure of 5.00×103Pa at the surface of the
water. Ignore any effects of viscosity ( ½w = 1000 kg=m3 ).
a) (12 points) Just after the...

A large open tank of water is filled to a height of 10 meters.
Someone pokes a hole with a radius 2 cm at the bottom of it.
a) Find the speed of the water coming out of the hole.
b) How long does it take for 1 m3 to leak out?
c) Now assume the top of the tank is not open, but vacuum sealed
at zero pressure. Now how long does it take for 1 m3 to
leak...

A tank containing compressed air is initially at 34.8
atmospheres. After some air is removed from the tank, the pressure
has decreased to 4.9 atm. What fraction of the original air remains
in the tank? Pressures are gauge pressures. The volume of the tank
is constant; assume the temperature stays constant also.

a) A closed tank of fixed volume initially contains air at 200
kPag (gauge) pressure and 20oC temperature. One (1.0) kilogram of
air is added to the tank by an air compressor to bring the tank
pressure to 300 kPag and temperature to 32oC. Find the tank volume.
Specify any assumptions used.
b) To the same tank as above, a gas mixture containing CO and
CO2 is added to replace the air. With 2 kg of the gas mixture
added,...

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