Physics, 31.01.2020 08:59 cchave9563
Aheat engine has a hot reservoir of 490°c and a cold reservoir of 210°c. what is the efficiency of the engine?
Answers: 3
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Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
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What does si stand for,when referring to a system of measurement
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What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.
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Physics, 22.06.2019 17:40
The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.
Answers: 1
Aheat engine has a hot reservoir of 490°c and a cold reservoir of 210°c. what is the efficiency of t...
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