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In Professor John L. Krohn's laboratory at Arkansas Tech University, air enters the compressor of an ideal Brayton cycle at p1= 14.5 psi, T1= 70.0°F with a volumetric flow rate of 20.0 × 103 ft3 /min. The compressor pressure ratio is 12.0 and the turbine inlet temperature is 2500.°F. Using the hot air standard cycle analysis, determine the:
a. Net work output of the cycle in Btu/hr and MW.
b. Hot ASC thermal efficiency of the cycle.
Who came up with the idea that matter is composed of tiny, indivisible particles - Rutherford's experiment showed that
A diffraction grating with 220 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle will the second order peak occur
A 1530-kg car is traveling with a speed of15.0 m/s. What is the magnitude of the horizontal net force that isrequired to bring the car to a halt in a distance of 41.0 m?
Apart from the continuous loss of mass from the Sun and increase in the mass of Earth (Both of which are relatively small.) Find at what time of year is it greatest
A bicycle has wheels with a 30-centimeter radius. If smaller wheels with a 25-centimeter radius are installed, what is the change in linear speed of the bicycle if the wheels rotate at 1 revolution per second?
A wire is 2.5 m long. After applying a force to one end of thewire, it is now 2.501 m long. Calculate the tensile strain in the wire
Many people prefer A to B, and, at the same time, D to C. Prove that these preferences are inconsistent with any utility function U(x) for money.
A golf ball is shot from a tee, elevated 20.0 m above the green, what will be the speed of the golf ball just before it hits the green, 20.0 m below where it started
A 2400 kg car moving at an initial speed of 25 m/s along a horizontal road skids to a stop in 64 m. Find the energy dissipated by friction
A playground merry-go-round spins with negligible friction. A child moves from the center out to the rim of the merry-go-round platform. In this merry-go-round and child system, which of these quantities change:
What is the magnitude of the momentum of the scattered photon?
Hint: this is a multiple step problem in which you must derive the variables needed to solve for problem in step one and then apply those values to the final solution of the problem. Watch your units.
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