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A 100 hp car engine operates ata bout 15 percent efficiency. Assume the engine's water temperature of 85°C is it scold-temperature (exhaust) reservoir and 500°C is its thermal "intake" temperature (the temperature of the exploding gas/air mixture).
(a) Calculate its efficiency as a percentage of its maximum possible (Carnot) efficiency.
(b) Estimate how much power (in watts) goes into moving the car.
How much heat, in joules and in kcal, is exhausted to the air per hour?
Q. What is a power? Answer: That seat of EMF" reply is SO wrong. Not merely is the rate of charge delivery not power but a seat of EMF doesn't deliver charge. A seat of EM
Some experiments with soap films Make the following forms from wire. Dip the several forms in the thick soap solution and view the films. Dip the wire form with the slider i
Tell me Is it possible that a nucleus has negative mass defect If the nucleus has a mass defect it is likely that the strong force and the weak force have sustained a main
A charge Q is to be distributed between the objects . what should be the magnitude of the charge on the object so that positive force between the object is maximum?
p-type semiconductor: Consider a trivalent impurity such as Gallium (Ga, Z = 31) is doped in a pure semiconductor germanium (Ge, Z = 32). Each Ga atom forms three covalent bonds
The cable will fail when the tension is P54 kN. For a Factor of Safety of 1.5 for the cable, determine the largest vertical load P that the frame will support, and then for that lo
a detailed assignment
What is the shortest possible time in which a bacterium could travel a distance of 8.4 cm across a Petri dish at a constant speed of 3.5 mm/s?
High temperatures and pressures are given for the following power plants. ISU co-generation: 400 psi, 750F City of Ames with RDF: 700 psi, 850F Super-critical power pl
A VDR is a special type of resistor that changes its resistance with rise in voltage. It has a very high resistance at low voltage (below the trigger voltage) and very low resista
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