Determine the ratio of mass flow rates at steady state
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A flywheel has its angular speed increased uniformly from 16rad/s to 70rad/s in 74s. If the flywheel has a diameter of 2 ft, determine the magnitude of the normal and tangential components of acceleration.
What is the composition of the gas in terms of mass fractions? What is the composition of the gas in terms of volume fractions?
Conduct a Z-test to determine whether the following two samples indicate that the population proportions are significantly different at the 0.05 level:
Calculate the result and error (Where Relevant) for the following quantities: Volume of a box with height 7.874 cm +/- 1.524, Width 23.368 cm +/- 2.286 cm, and depth 25.3 cm +/- 3.9 cm.
Saturated liquid water exits with a pressure of p3 = 7.0 bar. Ignoring heat transfer with the surroundings and all kinetic and potential energy effects, determine the ratio of mass flow rates, m1/m2.
The management of a regional bus line thought the company's cost of gas might be correlated with its passenger/mile ratio. The data and a correlation matrix follows. Comment.
How would you know if the regression results were a good predictor of the dependent variable? What decisions could be made or insights provided through the regression results?
Determine the persons mass: b) Explain what would happen if the elevator was accelerating downward such that A is greater than or equal g: Justify your answer via newtons laws.
Explain the purpose of Chi-square & when to apply it. How is chi-square similar to other significance tests? What makes it unique? When should it be used? What requirements must be met to use chi-square? What does chi-square tell a researcher?
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