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Calculate the delta velocity required to change the inclination of a circular orbit at 32,000 km altitude from a 28.5 degree inclination to an inclination of 45 degrees. Compute the propellant used if the satellite weighs 1200 lbs after the maneuver. Use an Isp of 290 sec.
In a refrigerator 1 kW is removed from the -10 degree C cold space and 1.3 kW is moved into the 30 degree C warm space. Find the exergy fluxes including direction associated with the two heat transfers.
a cylinder with a moveable piston holds .20 lb of hydrogen initially in a volume of 1 cu ft at a tem-perature of 1300
a piston cylinder device initially contains steam at 3.5 mpa superheated by 5 c. steam loses heat to the surrounding
a solar thermal engine operating between 20 degrees celsius and 200 degrees celsius has efficiency equal to one-half of
an insulation system is to be selected for a furnace wall at l000degc using first a layer of mineral wool blocks
two streams of air one at 1 bar 27degree and velocity of 30 ms and the other at 5 bar 227 degree and 50 ms velocity mix
a rigid insulating tank that is initially evacuated is connected through a valve to a supply line that carriers helium
in hydroelectric power plant water at 20 celcius. is supplied to turbine at a rate of 0.6m3s through 200m long
The process and volume relation is given p=(8-4v)bar for a non flow process ,where V is in cubic meter.If 130kJ of work is supplied to the system,calculate the final pressure and volume of the system.Take the initial volume as 0.5 cubic meter.
a stunt driver proposes to drive a small automobile at the speed of 45 mihr on the vertical wall of a circular pit of
A manometer on the discharge pipe of a pump handling 8.4m^3/min of water shows a pressure of 3.7*10^5 Pa. The vacuum gage on the suction pipe shows a vacuum of 21 cm Hg. The vertical distance between the places of connection of the manometer and the ..
the acceleration of a particle is defined by the relation a25-3x2 where a is expressed in ms2 and x in meters. the
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