Ap physics multiple choice practice β thermodynamics 1. the maximum efficiency of a heat engine that operates between temperatures of 1500 k in the firing chamber and 600 k in the exhaust chamber is most nearly (a) 33% (b) 40% (c) 60% ( d) 67% (e) 100% 2. an ideal gas is made up of n diatomic molecules, each of mass m. all of the following statements about this gas are true except: (a) the temperature of the gas is proportional to the average translational kinetic energy of the molecules. (b) all of the molecules have the same speed. (c) the molecules make elastic collisions with the walls of the container. (d) the molecules make elastic collisions with each other. (e) the average number of collisions per unit time that the molecules make with the walls of the container depends on the temperature of the gas.
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Physics, 22.06.2019 10:20, yofavvlele
Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i. e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.
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Physics, 23.06.2019 03:30, genesisdiaz5123
First to answer will be the brainliest i need the answer asap
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Ap physics multiple choice practice β thermodynamics 1. the maximum efficiency of a heat engine that...
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