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A satellite is in Earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km.
a. What is the semi-major axis of the orbit?
b. What is the eccentricity? c. If the true anomaly is 160 degrees, what is the satellite's altitude?
If the maximum temperature in the cycle is not to exceed 2200 K, determine the thermal efficiency and the mean effective pressure.
air enters the compressor of an air-standard brayton cycle at 100kpa 300k with anbspvolumetric flow rate of 5m3s. the
Plot the spectral blackbody emissive power of the sun versus wavelength in the range of 0.01 micro m to 1000 micro m?
Ideal vapor-compression refrigeration cycle, An ideal vapor-compression refrigeration cycle, with ammonia as the working fluid, has an evaporator temperature of -20c and a condenser pressure of 12 bar
A thin electric heater is wrapped around a rod of diameter 3 cm. The heater dissipates energy uniformly at a rate of 1300 W/m. Air at 20°C flows normal to the rod with a velocity of 15.6 m/s. Determine the steady state surface temperature of the h..
A 50 hp motor with an efficiency of 0.80 is to be replaced by a newer model motor with an efficiency of 0.90. The motor is expected to operate 3000 hours per year. The cost of electricity in our area is $0.06 per kWhr.
Create a window apllication in java
the 2-kg collar is released from rest at A and travels along the smooth vertical guide. determine the speed of the collar when it reaches position B.Also ,find the normal force exerted on the collar at this position.the spring has an unstrectched ..
A full revolution press has 100 rpm flywheel rotation. The press is equipped with tow hand trip devices mounted on the machine at a distance of 20 inches from the point of operation. How many engagement points on the flywheel would be necessary to ma..
If after 49.5 h the concentration of carbon is 0.35 wt% at a position 4.0 mm below the surface, determine the temperature at which the treatment was carried out.
Determine the turbine inlet temperature, the cycle thermal efficiency, and the back-work ratio of this cycle.
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas
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