Physics, 08.11.2019 04:31, jholland03
Alocomotive is pulling 15 freight cars, each of which is loaded with the same amount of weight. the mass of each freight car (with its load) is 37,000 kg. if the train is accelerating at 0.62 m/s2 on a level track, what is the tension in the coupling between the second and third cars? (the car nearest the locomotive is counted as the first car, and friction is negligible.) express your answer using two significant figures.
Answers: 2
Physics, 22.06.2019 12:50, keilahsalmon
The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
Answers: 2
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