Three Joggers Are Running Along Straight Lines as Follows: Jogger

question 22

Multiple Choice

Three joggers are running along straight lines as follows: Jogger A, with a mass of 55.2 kg, is traveling along the line y = 6.00 m at 3.45 m/s in the positive x-direction. Jogger B, with a mass of 62.4 kg, is traveling at 4.23 m/s along the line x = 3.00 m in the positive y-direction. Jogger C, with a mass of 72.1 kg, is traveling at 4.75 m/s along the line x = -5.00 m in the negative y-direction. What is the total counterclockwise angular momentum of the three joggers about the origin?

• A) 680 kg∙m²/s
• B) 3650 kg∙m²/s
• C) 1340 kg∙m²/s
• D) 2060 kg∙m²/s
• E) 1930 kg∙m²/s

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Definitions:

Net Operating Income

The income yielded by a company's primary activities, not including costs or earnings from activities outside its main operations.

Variable Costing

A costing method that includes only variable production costs—direct materials, direct labor, and variable manufacturing overhead—in product cost.

Operating Results

The outcome of a company's core business activities, including revenue generation and expenses, over a specific period.

Fixed Cost

Costs that do not vary with the level of production or sales, remaining constant within a specific range of activity.