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The stopping distance d (in feet) for a car traveling v mph when the driver has a reaction time of t is given by d = 1.5tv + 0.06v². Loren, who has a reaction time of 3²333 sec, was taking a driving test. When the examiner signaled for a stop, she stopped her car in 136 ft. How fast was she going at the instant of the stop signal? mph

The stopping distance d (in feet) for a car traveling v mph when the driver has a reaction time of t is given by d = 1.5tv + 0.06v². Loren, who has a reaction time of 3²333 sec, was taking a driving test. When the examiner signaled for a stop, she stopped her car in 136 ft. How fast was she going at the instant of the stop signal? mph

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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The stopping distance d (in feet) for a car traveling v mph when the driver has a reaction time of t is given by d = 1.5tv + 0.06v². Loren, who has a reaction time of sec, was taking a driving test. When the examiner signaled for a stop, she stopped her car in 136 3 ft. How fast was she going at the instant of the stop signal? mph
Transcribed Image Text:The stopping distance d (in feet) for a car traveling v mph when the driver has a reaction time of t is given by d = 1.5tv + 0.06v². Loren, who has a reaction time of sec, was taking a driving test. When the examiner signaled for a stop, she stopped her car in 136 3 ft. How fast was she going at the instant of the stop signal? mph
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