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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 flange is used for instrument connection for a system with a design temperature of 316degc 600degf and a design
the 60-kg uniform rectangular plate rotates in a vertical plane around point a. force p is being applied to point c on
a stream of saturated liquid water at 25u25e6c is added to a 3kgs stream of steam with a pressure of 5 bar and a
according to a recent article hot-air volumes must be large because air heated to 150 degrees fahrenheit over ambient
consider an ideal vapor-compression refrigeration cycle. the refrigerator employs refrigerant 134a as the working fluid
total power required to overcome viscous resistance and wave drag is 11.4 mw. use the perfomance characteristics of the
calculate the maximum permissible crack size in acenter cracked panel subjected to a unifrom stress of 20 ksi. the toughness is 50 ksi"in, the yield stress is 60 ksi, w=12 inches
a 25 cm long glass fiber e 72.2 gpa v 0.25 has a fracture strength of 75 mpa. what is the minimum diameter of a fiber
calculate the bulk density of a rock which has 20 porosity. the bulk mineralogy of the rock is 80 quartz 15 calcite and
a bar and fulcrum lever is being used to lift a 100lb rock. the lever is 10ft and the fulcrum is 2 ft from the rock.
If the cycle operates in steady flow with a power output of 20 kW, what is the steam flow rate?
for incompressible liquids flow work could usually be neglected in the steady-flow energy equation. in the trans-alaska
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