The Length of Skid Marks When a Car Skids to a Stop

question 40

Multiple Choice

The length of skid marks when a car skids to a stop is a power function of the speed the car is traveling when the brakes are applied.It is observed that if the speed is doubled, the skid mark length increases by a factor of 4.What is the value of the power ​k for this power function? Round your answer to two decimal places if necessary. ​

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