Question
In: Physics
a fireman 51.1 meters away from a burning building directs a stream of water from a...
a
fireman 51.1 meters away from a burning building directs a stream
of water from a fire hose at an angle of 33.2 degrees above the
horizontal. the initial soeed of the stream is 48.9 m/s
a) at what height will the stream if water strike the
building
b) how long will it take for the stream to strike the
building
c) what is the acceleration of the water before it hits the
building? explain.
d) how fast are the water particles in the stream that are
just about to hit the building
e) at what angle do these water particles hit the
building
Solutions
genius_generous answered 3 weeks agoRelated Solutions
A firefighter directs a stream of water toward a burning building from the ground level. The...
A firefighter directs a stream of water toward a burning
building from the ground level. The stream of water leaves the
ground with Velocity Vi, given that Vi=21.0 m/s and theta initial=
37.5 degrees and the building is 22.5 m away from the release
point: How far above the ground is the stream of water hits the
building?
Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out...
Firemen are shooting a stream of water at a burning building. A
high-pressure hose shoots out the water with a speed of 27.0m/s as
it leaves the hose nozzle. Once it leaves the hose, the water moves
in projectile motion. The firemen adjust the angle of elevation of
the hose until the water takes 3.30s to reach a building 45.0m
away. You can ignore air resistance; assume that the end of the
hose is at ground level.
A) Find the...
Describe the flow of water from the ground into the water table and to a stream,...
Describe the flow of water from the ground into the water table and
to a stream, lake or swam.
To be rescued from the roof of a burning building, a62-kg man must be able to...
To be rescued from the roof of a burning building, a62-kg man
must be able to jump straight up and catch hold of a rope ladder
hanging from a helicopter. He has to raise his center of mass2.00 m
above the roof to do so.
If he crouches down such that his center of mass is 0.50 m above
the roof and his feet leave the roof when his center of mass is
1.05 m above the roof, what minimum...
A rocket of rest length 90 meters is traveling at speed 4/5c directly away from earth....
A rocket of rest length 90 meters is traveling at speed 4/5c
directly away from earth. The rocket encounters an asteroid of
length 80 meters also travelling directly away from the earth but
at speed 3/5c.
a)According to the captain of the rocket, what is the velocity
of the rocket relative to the asteroid?
b)At the front of the rocket, the captain of the rocket becomes
aware of the asteroid and activates a warning signal. It takes one
hour before...
A diver springs upward from a board that is 3.09 meters above the water. At the...
A diver springs upward from a board that is 3.09 meters above
the water. At the instant she contacts the water her speed is 8.52
m/s and her body makes an angle of 71.8° with respect to the
horizontal surface of the water. Determine her initial
velocity.
If all the energy obtained from burning 0.840 pounds of propane is used to heat water,...
If all the energy obtained from burning 0.840 pounds of propane
is used to heat water, how many kilograms of water can be heated
from 22.0 °C to 46.8 °C?
Gaseous ammonia can be injected into the exhaust stream of a coal-burning power plant to reduce...
Gaseous ammonia can be injected into the exhaust stream of a
coal-burning power plant to reduce the pollutant NO to N2 according
to the following reaction: 4NH3(g)+4NO(g)+O2(g)→4N2(g)+6H2O(g)
Suppose that the exhaust stream of a power plant has a flow rate of
335 L/s at a temperature of 955 K, and that the exhaust contains a
partial pressure of NO of 22.8 torr .What should be the flow rate
of ammonia delivered at 750 torr and 298 K into the stream...
Gaseous ammonia can be injected into the exhaust stream of a coal-burning power plant to reduce...
Gaseous ammonia can be injected into the exhaust stream of a
coal-burning power plant to reduce the pollutant NONO to N2N2
according to the following reaction:
4NH3(g)+4NO(g)+O2(g)→4N2(g)+6H2O(g)4NH3(g)+4NO(g)+O2(g)→4N2(g)+6H2O(g)
Suppose that the exhaust stream of a power plant has a flow rate of
335 L/sL/s at a temperature of 955 KK, and that the exhaust
contains a partial pressure of NONO of 23.2 torrtorr .
Part A
What should be the flow rate of ammonia delivered at 765
torrtorr and 298 KK...
The figure below shows a stream of water in steady flow from a kitchen faucet. At...
The figure below shows a stream of water in steady flow from a
kitchen faucet. At the faucet, the diameter of the stream is 0.960
cm. The stream fills a 125-cm3 container in 16.0 s. Find
the diameter of the stream 13.0 cm below the opening of the
faucet.
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