When it is burned, 1 gallon of gasoline produces 1.3ã108j of energy. 1500 kg car accelerates from rest to 37 m/s in 10 s. the engine of this car is only 15% efficient (which is typical), meaning that only 15% of the energy from the combustion of the gasoline is used to accelerate the car. the rest goes into things like the internal kinetic energy of the engine parts as well as heating of the exhaust air and engine.\?
Answers: 1
Physics, 21.06.2019 20:30
Air enters a compressor operating at steady state at 1.05 bar, 300 k, with a volumetric flow rate of 93 m3/min and exits at 12 bar, 400 k. heat transfer occurs at a rate of 15.5 kw from the compressor to its surroundings. assuming the ideal gas model for air neglecting kinetic potential energy effects, determine the power in put in kw.
Answers: 2
Physics, 22.06.2019 09:00
The material that keeps its new shape after it is stretched is called?
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Physics, 22.06.2019 09:30
Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.
Answers: 3
When it is burned, 1 gallon of gasoline produces 1.3ã108j of energy. 1500 kg car accelerates from re...
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