The Repulsive Force (F) Between the North Poles of Two

question 8

Multiple Choice

The repulsive force (f) between the north poles of two magnets is inversely proportional to the square of the distance (d) between them. If the repulsive force is 10 lb when the distance is 16 in., find the repulsive force when the distance is 8 in.

• A) 40 lb
• B) 60 lb
• C) 20 lb
• D) 5 lb
• E) 2 lb

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Definitions:

Regression Analysis

A statistical method that investigates the relationship between a dependent variable and one or more independent variables to forecast outcomes or assess predictions.

Cost Equation

A mathematical formula that relates cost to its determinants, such as output level, activity level, or other cost drivers.

Delivery Costs

Expenses related to transporting goods from a seller to the purchaser, including shipping, handling, and packaging fees.

Regression Output

This is the result of regression analysis, typically showing the relationship between independent variables and the dependent variable.