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A solar concentrating heat exchanger system directs sunlight onto a long straight pipe. The pipe receives heat from sunlight at the rate of 153.616 Btu/hr per foot of length. Water enters the pipe at 50 lbm/hr as saturated liquid at 300 degrees F, and is heated isothermally; it leaves as superheated vapor at 20.0 psia. Assume steady state, steady flow conditions. Please show your work.
a) Determine the length of the pipe needed to achieve the desired conditions
b) Determine the rate of entropy production in this solar concentrator.
c) Show whether this system violates the second law of thermodynamic
Two light bulbs labeled 50 W and 100 W, find the actual power consumed by the brighter bulb
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The outside mirror on the passenger side of a car is convex and has a focal length of -7.7 m. Find the image distance of the truck
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A prosthetic leg has a mass of 3 kg and a center of mass of 20 cm from the knee joint. What is the moment of inertia about the knee joint
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You drive west at 70km/h for 24 min , then follow a road that goes 38 degrees south of west, driving at 96 km/h for another 36 min. Find your average velocity for the trip
it takes 100 minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe d'Huez in France, What is the bicyclists average power output
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
Assume that the masses of the chains, pulleys, and ropes are negligible and the crate is rising with an acceleration of 2.9 m/s2. Determine the force also examine the tension in the upper chain.
A current of 13.9 A flows through an electric heater operating on 120 V. What is the heater's resistance
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