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Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
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Physics, 22.06.2019 16:00
At what time will the interfering waves have an amplitudeof zero?
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Physics, 22.06.2019 22:10
7. see worksheet 1 for values of variables x1, x2 and x3 and answer the following questions: a. for each variable find the mean, median, coefficient of skewness, range and population standard deviation. b. compared to variable x1, how are the mean and median affected by extreme values (outliers) seen in x2 and x3. c. is the median or mean the better measure of location for x2 and x3? explain. d. explain the differences in the magnitudes of the skewness coefficients for the three variables. e. what is the relationship between the range and standard deviation looking across the three variables?
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Mathematics, 19.12.2020 08:40
English, 19.12.2020 08:40
Mathematics, 19.12.2020 08:40
English, 19.12.2020 08:40
English, 19.12.2020 08:50
Mathematics, 19.12.2020 08:50
Mathematics, 19.12.2020 08:50
Social Studies, 19.12.2020 08:50
Chemistry, 19.12.2020 08:50
Mathematics, 19.12.2020 08:50