When a Car Skids to a Stop, the Length L

question 9

Multiple Choice

When a car skids to a stop, the length L, in feet, of the skid marks is related to the speed S, in miles per hour, of the car by the equation . As speed increases, so does the length of the skid marks.What can you say about the rate of increase? A graph of L versus S can help you answer this question.
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• A) Skid mark length increases more rapidly as speed increases.
• B) Skid mark length increases rapidly at first but slows as speed increases.
• C) Skid mark length increases at a decreasing rate.
• D) None of the above.

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