Acylinder fitted with a piston exists in a high-pressure chamber (3 atm) with an initial volume of 1 l. if a sufficient quantity of a hydrocarbon material is combusted inside the cylinder to produce 1 kj of energy, and if the volume of the chamber then increases to 1.5 l, what percent of the fuel's energy was lost to friction and heat?
a. 15%
b. 30%
c. 85%
d. 100%
Answers: 3
Physics, 21.06.2019 19:30, jonquil201
The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.
Answers: 2
Physics, 22.06.2019 14:30, val926
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
Answers: 2
Physics, 22.06.2019 18:30, raywalker3410
Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90
Answers: 1
Acylinder fitted with a piston exists in a high-pressure chamber (3 atm) with an initial volume of 1...
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