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An 90 g aluminum calorimeter contains 390 g of water at an equilibrium temperature of 200C. A 160 g piece of metal, intially at 3050 C, is added to the calorimeter. The final temperature at equilibrium is 320 C. Assume there is no external heat exchange. The specific heat capacities of aluminum and water are 910 and 4190 J/kg. K, respectively. The specific heat capacity of the metal is closest to:
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If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
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Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).
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How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?
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An 90 g aluminum calorimeter contains 390 g of water at an equilibrium temperature of 200C. A 160 g...
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