Friction force depends on (select any of the following)
-the contact force
-the air temperatu...
Physics, 05.01.2021 16:20 arjunchandrasek
Friction force depends on (select any of the following)
-the contact force
-the air temperature
-tension
-weight of an object
-the surfaces in contact (coefficient of friction).
Answers: 3
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Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
Answers: 1
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When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve
Answers: 1
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Answers: 1
Physics, 23.06.2019 09:10
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