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Physics, 22.06.2019 04:30
In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 04:30
In a system, when potential energy decreases, then entropy also decreases. true false
Answers: 3
Physics, 22.06.2019 05:10
Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.
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Physics, 22.06.2019 08:00
What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
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