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Mathematics, 27.10.2021 17:00 alyssacruz999
Accident investigators can estimate the speed of a vehicle involved in a crash by examining the skid
marks left by the tires on the pavement. The algebraic relationship is shown by the formula
V30fd with s representing the speed in miles per hour and d representing the skid distance in
feet. The value f is determined by the friction of the pavement: wet concrete is much more slippery
than hot asphalt. A typical value for f, assuming a dry roadway, is 0.7. After a minor car accident on a
dry day, Charlie insisted to his parents that he wasn't exceeding the 35 mph speed limit. An accident
investigator found that the skid marks left by Charlie's tires were 75 feet long. Does the investigator's
skid analysis indicate Charlie was telling the truth
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