Property of the mean
Explain why the sum of x-xbar (mean)=0. Explain how this is related to the property of the mean that states that the mean is the balance point of its distribution.
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A sample of nitrogen has a volume of 4.22 L at 1,941 mmHgand 170 °C. What volume will it occupy at standard temperature and pressure?
The student has a mass of 74.0 kg, and the height of the water slide is 11.4 m. If the kinetic frictional force does -5.60 x 103 J of work, how fast is the student going at the bottom of the slide?
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Often, the work done is expressed in nutritional Calories rather than in joules. Express the work done in part (a) in terms of nutritional Calories, noting that 1 joule = 2.389 x 10-4 nutritional Calories.
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