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After an accident, police can estimate the speed that a car was traveling by measuring its skid marks. The formula v = 2/5L can be used where v is the speed, in miles per hour, and L is the length of the skid marks, in feet. (a) Estimate the speed of a car that left skid marks 70 ft long. (b) If the posted speed limit is 50 mph should the police officer believe the driver's claim that he was not speeding? ..... Approximately how fast was the car traveling if it left skid marks 70 ft long? mph (Simplify your answer. Type an integer or a decimal. Round to the nearest tenth.)

After an accident, police can estimate the speed that a car was traveling by measuring its skid marks. The formula v = 2/5L can be used where v is the speed, in miles per hour, and L is the length of the skid marks, in feet. (a) Estimate the speed of a car that left skid marks 70 ft long. (b) If the posted speed limit is 50 mph should the police officer believe the driver's claim that he was not speeding? ..... Approximately how fast was the car traveling if it left skid marks 70 ft long? mph (Simplify your answer. Type an integer or a decimal. Round to the nearest tenth.)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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After an accident, police can estimate the speed that a car was traveling by measuring its skid marks. The formula v = 2/5L can be used where v is the speed, in miles per hour, and L is the length of the skid marks, in feet. (a) Estimate the speed of a car that left skid marks 70 ft long. (b) If the posted speed limit is 50 mph should the police officer believe the driver's claim that he was not speeding? ..... Approximately how fast was the car traveling if it left skid marks 70 ft long? mph (Simplify your answer. Type an integer or a decimal. Round to the nearest tenth.)
Transcribed Image Text:After an accident, police can estimate the speed that a car was traveling by measuring its skid marks. The formula v = 2/5L can be used where v is the speed, in miles per hour, and L is the length of the skid marks, in feet. (a) Estimate the speed of a car that left skid marks 70 ft long. (b) If the posted speed limit is 50 mph should the police officer believe the driver's claim that he was not speeding? ..... Approximately how fast was the car traveling if it left skid marks 70 ft long? mph (Simplify your answer. Type an integer or a decimal. Round to the nearest tenth.)
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