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The water exiting a 2.5 cm diameter nozzle which is atrtached to a 7.6 cm diameter fire hose is discharged at a velocity of 25 m/s. the pressure in the hose is 380 kpa. what is the magnitude and direction of the force of the water n the nozzle, if the nozzle is held steady/
2- What is the FORCE if the fire fighter is running towards the fire, with the hose at a velocity of 1.5 m/s
Where: Q is the amount of energy added (joules) M is the mass of the fluid (kg) C (subscript p) is the heat capacity of the fluid (joules/kg/K), and Delta T is the change in temperature (K or C degrees) A garage (24 ft x 24 ft x 10 ft) is illuminated..
Determine the % error n in replacing the sine and the tangent of an angle by the value of the angle in radians for angle values 5,10,20 degrees. Explain the qualitative difference between the sine and tangent results.
When a fluid flows through a sharp bend, low pressures may develop in localized regions of the bend. Estimate the minimum absolute pressure (pmin in psi) that can develop without causing cavitation if the fluid is water at 80 oF.
A piston cylinder is initially at a state of 60c, 200kpa. Heat is added to the system from 500c reservoir until the final pressure is 400kpa. the mass of the air is 2kg, the spring constant is 1000kn/m and the cross sectional area of the piston is..
Ozone is sometime used as a disinfectant for drinking water. Ozone is highly reactive it will react benign species found in water, as well as the pathogens it is intended to kill.
what is the probability that less than 0.5 inches of precipitation will occur in any January? What is the probability that more than 2.5 inches wil
Water under a gage pressure of 65 psi flows with a velocity of 12.5fps through a right-angled bend that has a uniform diameter of10in. The bend lies in a horizontal plane
during construction of the surface layer of asphalt pavement, two samples where taken everyday to measure the asphalt content in the mix to ensure that it is within the specification limits. the target value was set at 5.5 percent with a tolerance..
The density of oil is 0.7 g/cc, the density of water is 1.0 g/cc, the radius of capilary is 0.008 cm, the contact angle through water is 58, the interfacial tension is 50 dynes/cm. Calculate the height in cm
The pressure inside a 4cm hose is 700 kPa. If water exits through a 2 cm diameter nozzle, what velocity m/s, can be expected inside the hose?
A homogeneous coarse sand deposit has a water table at 10 m depth. The water coefficient of permeability of the sand is found to vary significantly with height above the water table even though the sand deposit is homogeneous.
The photograph shows two U.S. Coast Guard icebreakers in an ice field, and a simple model for an ice breaking operation. If the coefficients of static and kinetic friction
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