A Spring Is Stretched from 0

question 8

Multiple Choice

A spring is stretched from 0.500 m to 0.800 m. Assume the unstretched position is 0.00 m. If the spring constant of the spring is 10.0 N/m, what is the work done on the spring?

• A) 1.95 J
• B) 2.21 J
• C) 2.45 J
• D) 2.75 J
• E) 3.01 J

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Definitions:

Best-subsets Regression

A statistical method in regression analysis that involves comparing models with different combinations of variables to select the best one.

T-test

A statistical test used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

Regression Line

A straight line in a scatter plot that best represents the relationship between two variables, typically used in linear regression analysis to predict values.

Standard Error

A statistical measure that represents the accuracy with which a sample distribution represents a population, particularly the variability in an estimated mean.