Find temperature as leaves valve-no change in kinetic energy
Saturated vapor at 400 Kia flowing in a line is taken out through a valve to 100 kpa. What is the temperature (in C) as it leaves the valve assuming no changes in kinetic energy and no heat transfer?
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Scores on a certain test are normally distributed and a researcher wishes to estimate the mean score achieved by all students on the test. He was told that he would need a sample size of 100 to assure a 95 percent confidence interval with width=4.
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In a Mossbauer effect experiment, the change in frequency of a 3.5 x 10^18 Hz electromagnetic wave can be detected if the source and absorber have a relative speed of 0.03 mm/s with respect to each other. Calculate the frequency shift v-vo for mot
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