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A spacecraft used in the exploration of Jupiter has a mass of 425 kg. Find the weight of this spacecraft, in N, (a) on the surface of Jupiter where the acceleration of gravity is 25.94 m/s2 and b) on earth where the acceleration of gravity is 9.81 m/s2.
a 1000 diameter steel tube with a .020 wall thickness supports a 350lb load in compression as shown. calculate the
refrigerant r-134a flows through a refigeration system at a rate of 0.12 kgs . at the entrance to the adiabatic
a heat pump using r-134a as its working fluid is used to keep a space at 25degc by absorbing heat from geothermal water
The diffusion constant (Do) and activation energy (Q) of C in BCC Fe is 0.01 cm2/sec and 80kJ/mol respectively. In FCC Fe, the values are 0.21 cm2/sec and 148kJ/mol. At exactly 910oC these two phases can co-exist.
a heat engine operating on the carnot cycle uses solar energy as the source of hightemperature heat input. the solar
air is compressed in a steady-flow compressor via a polytropic process from 15 psia and 60 degrees f state 1. to 75
air enters a steady-flow compressor with a specific enthalpy of 293.4 kjkg and a velocity of 60ms and leaves with a
herzberg specifically classed salary as a hygiene factor not a motivator. how does salary fit in with maslows
you are blanking a square using a straight edge punch. if the punch is angled to be at a shear angle of 10 degrees how
Steam is the working fluid in a simple, ideal Rankine cycle. Saturated vapor enters the turbine at 8 MPa and saturated liquid exits the condenser at a pressure of 8 kPa. The net power output of the cycle is 100 MA.
a gas is contained in a vertical frictionless pixton-cylinder. the piston m 10 kg a- 7.5 x 10-3 m2 is attached to a
consider a small simple rankine power cycle which produces 600kw power from an electric generator with an efficiency of
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