Physics, 26.06.2019 22:10 noelia2001guzman
Arigid tank contains 1 kg of air (ideal gas) at 15 °c and 210 kpa. a paddle wheel supplies work input to the air such that final temperature is 97 "c. the specific heats are cp 1.005 kj(kg. k) and c-0.718 kj/(kg. k). determine the total work done in kj:
Answers: 2
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The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80
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Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
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Arigid tank contains 1 kg of air (ideal gas) at 15 °c and 210 kpa. a paddle wheel supplies work inpu...
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