Skid Marks Law enforcement officials sometimes use the formula s =√30FB to determine a car's speed, s, in miles per hour, from a car's skid marks. The F in the formula represents the "road factor," which is determined by the Ted's surface, and the B represents the braking distance, n feet. Officer Jenkins is investigating an accident. Find the car's speed if the skid marks are 80 feet long and a) the road was dry asphalt, whose road factor is 0.85, b) the road was wet gravel, whose road factor is 0,52
Skid Marks Law enforcement officials sometimes use the formula s =√30FB to determine a car's speed, s, in miles per hour, from a car's skid marks. The F in the formula represents the "road factor," which is determined by the Ted's surface, and the B represents the braking distance, n feet. Officer Jenkins is investigating an accident. Find the car's speed if the skid marks are 80 feet long and a) the road was dry asphalt, whose road factor is 0.85, b) the road was wet gravel, whose road factor is 0,52
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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11. Skid Marks Law enforcement officials sometimes use the formula s =√30FB to determine a car's speed, s, in miles per hour, from a car's skid marks. The F in the formula represents the "road factor," which is determined by the Ted's surface, and the B represents the braking distance, n feet. Officer Jenkins is investigating an accident. Find the car's speed if the skid marks are 80 feet long and a) the road was dry asphalt, whose road factor is 0.85, b) the road was wet gravel, whose road factor is 0,52.
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