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The International Space Station operates at an altitude of 350 km. Plans for the final construction show that 4.22 106 N of material, measured at the Earth's surface, will have been lifted off the surface by various spacecraft. What is the weight of the space station when in orbit? At what altitude is the space station's weight 65% of its value on Earth's surface?
ten kg of water is in a closed container with a volume of 0.73 m3 and a temperature of 1000 degc. determine the amount
an inventor claims to have devised a refrigeration cycle that at steady state requires a net power of .8 hp to remove
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A hydraulic cylinder is 100mm diameter and is fed by a pipe 15mm in diameter. If the piston in the cylinder moves forward at a rate of 0.2ms^1
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a projectile is fired with an initial speed of 63.3msat an angle of 43.7circ above the horizontal on a long flat firing
determine the minimum time needed for the plate temperature to reach 140°C.
a freezer is 1 m wide and deep and 2 m high and must operate at -10 degree c when the ambient air is at 30degree c.
on a given day the pressure is 1 atm the temperature is 32degc and the relative humidity is 95. this air is to be
a water heater operating under steady-flow conditions delivers 10 litersmin at 75 c and 370 kpa. the input conditions
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