Physics, 04.05.2021 20:10 brownvester44
In 1992, residents of Arkansas consumed, on average, 11.4 L of gasoline per vehicle per day. If this amount of gasoline burns completely in a pure combustion reaction, it will release 4.3 * 10^8 J of energy. Suppose this amount of energy is transferred by heat from a quantity of gas confined in a very large cylinder. The cylinder, however, is equipped with a piston, and shortly after the energy is transferred by heat from the cylinder, work is done on the gas. The magnitude of the energy transferred by work is equal to one-third the magnitude of the energy transferred by heat. If the initial internal energy of the gas is 1.00 * 10^9 J, what is the final internal energy?
Answers: 1
Physics, 22.06.2019 15:30
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Physics, 22.06.2019 22:40
Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages
Answers: 2
Physics, 22.06.2019 23:00
1700 j of energy is lost from 0.14 kg object , the temperature decreases from 50°c to 45°c what is the specific heat of this object, amd what is the material ?
Answers: 1
In 1992, residents of Arkansas consumed, on average, 11.4 L of gasoline per vehicle per day. If this...
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