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1. Design a converging-diverging nozzle system that can be used to demonstrate supersonic flow in the classroom. Choose a convenient gas, inlet conditions, and exit Mach number. Determine the necessary area ratios, pressures, and temperatures throughout the system.
2. Design an attitude control nozzle for a spacecraft that produces 50.0 N of thrust using compressed helium gas stored at 50.0 MPa and 0.00°C. Assume the nozzle discharges into a total vacuum. Specify the nozzle inlet, throat, and exit areas as well as the exit Mach number.
An ac source of maximum voltage V0 = 30 V is connected to a resistor R = 50 O, an inductor L = 0.6 H, and a capacitor C = 20 µF. What is the maximum charge on the capacitor when the frequency of the source is set to the resonance frequency of the cir..
If a given power plant released sulfur dioxide gas with a volume, V, of 1200 m3 at a density, d, of 2.86 kg/m3 at standard pressure and temperature, how many moles of sulfur dioxide are released?
a model airplane with mass 0.740 kg is tethered to the ground by a wire so that it flies in a horizontal circle 30.2 m
microwaves of wavelength 5.0 cm enter a long narrow window in a building.. if the window is 35.0 cm wide what is the
A gas expands while 502 J of energy is added to it as heat. The expanding gas does 422 J of work on its surroundings.
A typical coal-fired power plant has a generating capacity of about 1.3 X 10^9 W of electric power. What is the overall thermal efficiency of the plant
two small objects a and b are fixed in place and separated by 2.62 cm in a vacuum. object a has a charge of 1.29 micro
a coil of wire is connected to an ideal 6.0-v battery at t 0. at t 10.3 ms the current in the coil is 200 ma. one
Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. What is the bearing's impact velocity
question light illuminates two closely spaced thin slits and produces an interference pattern on a screen behind. how
The second wire lies along the x axis. Determine the value of yfor the line in the plane of the two wires along which the total magnetic field is zero.
A world-class sprinter can reach a top speed (of about 11.1m/s) in the first 19.0 m of a race. How long does it take her to reach that speed
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