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Police use the formula v 20L to estimate the speed of a car v in...

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Calculus

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Police use the formula v 20L to estimate the speed of a car v in miles per hour based on the length L in feet of its skid mark when suddenly braking on a dry asphalt road At the scene of an accident a police officer measure a car s skid marks to be 100 feet long Approximately how fast was the car traveling Round your answer to the nearest tenth one decimal place of a unit Answer The car was traveling at approximately miles per hour

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