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A rocket is launched through a thrust force of 7,000,000 lbf. What power is produced when the rocket velocity is 100ft/s?
Heat transfer to the water continues until its pressure is 3 bar. Friction between the piston and the cylinder wall is negligible. Let g = 9.81 m/s^2.
Eventually, the contents of the tanks come to equilibrium at the temperature of the surrounding, 520 degrees R. Determine the amount of energy transfer by heat, in Btu, and the final pressure, in pi
(a) Draw a T-v diagram, label the saturated temperature, the specific volumes, and the temperatures of both the initial and final states. (b) Determine the work done during this expansion process, i
Determine the power output required to maintain constant speed with no wind. B.) Assume constant power, determine the velocity of the trick if traveling against a 30 mph wind, C.) traveling with a 3
Use work and energy to determine the center of mass velocity Vg and the angular velocity omega = theta dot of the bar as functions of theta.
You may treat the sphere as a particle and neglect the mass of the rod. Explain why each of the following quantities is or is not conserved: Linear momentum, angular momentum, Energy.
Argon gas initially at 1 bar, 100 K undergoes a polytropic process, with n = k, to a final pressure of 15.59 bar. The work done on air during this compression process is closest to?
Calculate, compression ratio (Cr), pressure and temperature at the end of compression, thermal efficiency, the horse power of the engine at 2200 rpm. Assume ideal gas behavior and use air tables to
Augmented Lagrangian method Embedding technique Amalgamated formulation What are the differences? What are the benefits and negatives of each method?
Assuming the compression and expansion processes are isentropic calculate the thrust for 1 lbm per second of air flow, the power in horsepower of the thrust and the heat input per lbm of air.
How much petroleum coke must be added per 100 lb of basic material? Before solving, draw a flowchart and conduct a degree of freedom analysis.
What is the maximum constant speed, in miles per hour, a stock car can travel around the 1000 ft radius turns that are banked at 31 degrees if the coefficient of static friction between the tires.
A velocity field is described by the equation given below with a= 3 m^2 / s^2 and b= 4 m^3. Determine the equation of the pathline begining at t=0 seconds and the point (x,y)=(5,3).
A two dimensional velocity field is described by the equation given below with a= - 3 m/s and b = 12 m/s. Determine the value of the streamline passing through the point (x,y)=(4,6).
Starting from rest, a particle moving in a straight line has anacceleration of a= (2t - 6) m/s2 , where t is inseconds. What is the particles velocity when t = 6s, and what is the positon when t =
Calculate the (i) ram pressure and (ii) die pressure for a round copper bar with an original cross-sectional area of 12.56 mm2 to a 50% reduction of area, given that the included die angle is 30 deg
The emissivity of a person is 0.95, and the heat transfer coefficient for a person is 22 W/m2-K. After doing this analysis, which, if any, modes could be considered negligible?
Knowing that the length of the cord is 3 feet and that the max allowable tension in the cord is 10-lb, determine (a)the max allowable speed, (b) the corresponding value of the angle theta.
At the end of a sunny stretch, the Glauber salt is all liquid at its 32 C melting point. If the weather then turns cloudy for a prolonged period, how long the Glauber salt stay at 32 C and thus keep
A solar hot-water system stagnates at 85 C under insolation of 740 W/m^2 and an ambient temperature of 17 C. Find its loss rare in W/m^2*C, assuming its glazing transmits 81 percent of the incident
A rigid container is separated into 2 compartments by a very thin solid membrane. Determine the following Draw the schematic and define the system used for analysis
If the energy of the system were to be changed this same amount by changing the kinetic energy, to what speed must the system be accelerated if it is initially at rest?
Calculate the maximum mass flow rate at the inlet condition that this compressor can handle without violating the second law of thermodynamics.
Seawater contains gold, too, at about 1 part per trillion by volume. (Gold has a specific gravity of 19.3, while seawater has a specific gravity of 1.03.) Calculate the tons of gold ore and of seawa