Find the quantum number that characterizes the earths orbit
Find the quantum number that characterizes the earth's orbit around the sun. The earth mass is 6.0x10^24 kg, its orbital radius is 1.5x10^11 m, and its orbital speed is 3.0x10^4 m/s.
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Determine The work required to compress the nitrogen reversibly back to the initial state. Assume that nitrogen behaves as an ideal gas.
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The reservoir pressure and temperature for a blowdown supersonic wind tunnel are 7.5 atm and 800 deg R, respectively. The design Mach number for the tunnel is Mdes = 3.5.
Refrigerant 134a at a rate of 0.8 lb/s enters a compressor operating at steady state as saturated vapor at 30 psia and exits at a pressure of 160 psia. There is no significant heat transfer with the surroundings, and kinetic and potential energy e
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A double pipe heat exchanger serves as an oil cooler with oil flowing in one direction through the inner tube and cooling water in the opposite direction through the annulus.
A weight lifter is doing a leg extension exercise in a seated position with his knee joint center of rotation fixed on the machine. Determine the total mass moment of inertia for the leg and weights about the knee joint.
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