A 2-Kg Object Is Moving at 3 M/s

question 7

Multiple Choice

A 2-kg object is moving at 3 m/s.A 4-N force is applied in the direction of motion and then removed after the object has traveled an additional 5 m.The work done by this force is:

• A)9 J
• B)18 J
• C)20 J
• D)29 J
• E)38 J

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Definitions:

Sales

The act of trading a good for monetary compensation; the process of making a sale.

Profits

The financial gain achieved when the amount of revenue gained from a business activity exceeds the expenses, costs, and taxes involved in sustaining the activity.

Linear Regression

A statistical method for modeling the relationship between a dependent variable and one or more independent variables, assuming a linear relationship.

Least Squares

A mathematical approach used in regression analysis to minimize the sum of the squares of the differences between observed and predicted values.