Calculate the nozzle exit velocity in feet per second
A chemically correct mixture of gaseous methan and air at 77 F is admitted into a nozzle where it completely burns. Calculate the nozzle exit velocity in feet per second if the exit temperature is 2000 k.(for a nozzle ΔQ=ΔW=0)
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Two capacitors C1 = 2.5 mF and C2 = 5.0 mF are connected in parallel. If a voltage of V = 120 volts is applied across the capacitors, what is the energy stored in capacitor C2.
Draw a thermal circuit from inside to the outside of the tube and calculate each thermal resistance. Calculate the rate of heat loss per unit length, q', from the pipe. c) Calculate the pipe skin tempeartures inside and outside.
A gas syringe at 20 Celsius contains 20ml of Co2 gas. The pressure of the gas in the syringe is 1.0 atm. What is the pressure in the syringe at 20 Celsius if the plunger is depressed to10ml?
A student flips a coin three times, and it comes up heads each time. The student decides that the coin must be unfair. The student is demonstrating a failure to understand which one of the following theorems or concepts?
If the spring constant is 500kN/m2 and the area of the piston is 0.05 m2 determine the work done when the pressure inside the cylinder reaches 500 kPa.
The remaining volume is vapor at 100 kPa. How much heat must be added to the container to just vaporize all the liquid water?
An interesting (but oversimplified) model of an atom pictures an electron "in orbit" around a proton. Suppose this electron is moving in a circular orbit of radius 0.30 nm (3.0 x 10-10) and the force that makes this circular motion possible is the
A sample of a radioactive substance used in detecting skin cancer produced 592 counts in one minute at the beginning of a test and acount of 451 counts in one minute after one day.
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