A Speeding Car Is Traveling at a Constant 30

question 19

Multiple Choice

A speeding car is traveling at a constant 30.0 m/s when it passes a stationary police car.If the police car delays for 1.00 s before starting,what must be the magnitude of the constant acceleration of the police car to catch the speeding car after the police car travels a distance of 300 m?

• A) 6.00 m/s²
• B) 3.00 m/s²
• C) 7.41 m/s²
• D) 1.45 m/s²
• E) 3.70 m/s²

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Definitions:

Unit Selling Price

The amount of money charged to the customer for a single unit of product or service.

Contribution Margin

The difference between sales revenue and variable costs, representing the amount that contributes to covering fixed costs and generating profit.

Contribution

The portion of sales revenue that exceeds variable costs, contributing towards covering fixed costs and generating profit.

Machine Hour

A measurement of production time, quantifying the number of hours a machine is in operation during a given period.