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Calculate the change in velocity required in changing the position of a satellite in an orbit by 90 degrees. The initial and final orbit is circular around the Earth with a 15000 km radius. Calculate the delta velocity, semi-major axis and period for a transfer orbit that will change the location by + 90 degrees and the same data to move the location by -90 degrees. The action shall use a Hohmann maneuver orbit. Compute the total delta V required to make each change.
a propeller drive shaft is to transmit 2500 hp at 75 rpm. it is to be made of aisi 1040 wqt 1300 steel. use a design
An electric motor is connected to a 12-V battery. The electric current to the motor is 3 A. 90 % of the electric energy from the battery is converted into mechanical work to mix an ideal gas in an adiabatic cylinder.
Prepare a 3-input, 5 bit multiplexer that fits in a 24-pin IC package. Write the truth table and draw a logic diagram and logic symbol for the multiplexer.
a steam engine drop-valve is closed by a spring after the operation of a trip gear. the stiffness of the spring is such
a force f applied to an object of mass m1 produces an acceleration of 3.40 ms2. the same force applied to a second
write anbspliterature review and the title is the effect of fluid cooling on the performance of building integrated
air in a piston-cylinder device has 400 degrees f 1000 kpa with a volume of 3.5 ft3. combustion heats it to 1500 k in a
a waste treatment pond is 50 m long and 15 m wide and has an average depth of 2 m. the density of the waste is 85.3 lb
steam enters an adiabatic turbine at pressure 6 mpa temperature 600oc and velocity 80 ms and leaves at pressure 50
An airplane was moving with a velocity equal to 300 mph when the velocity was increased with uniform acceleration to 600 mph in 5 min, calculate the number of miles the airplane traveled during that interval of time.
x 3000 a100 m 75 c kgcd 0.5 skydiver area 0.4m2cd 1.2 parachute area 40m2a sky diver weighing m kg jumps from a
An ideal gas, with temperature independent Cp=(7/2)R, at 15c and having an initial volume of 60m^3, is heated at constant pressure (P=0.1013 MPa) to 30c by transfer of heat from a reservoir at 50c. Calculate delS(gas), delS(heat reservoir), delS(univ..
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