3. Tests reveal that a normal driver takes about 0.75 s before he or she can react to a situation to avoid a collision. It takes about 3 s for a driver having 0.1% alcohol in his system to do the same. If such drivers are traveling on a straight road at 30 mph (44 ft/s) and their cars can decelerate at 2 ft/s², determine the shortest stopping distance d for each from the moment they see the pedestrians. Moral: If you must drink, please don't drive!

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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3.
Tests reveal that a normal driver takes about 0.75 s
before he or she can react to a situation to avoid a collision.
It takes about 3 s for a driver having 0.1% alcohol in his
system to do the same. If such drivers are traveling on a
straight road at 30 mph (44 ft/s) and their cars can
decelerate at 2 ft/s², determine the shortest stopping
distance d for each from the moment they see the
pedestrians. Moral: If you must drink, please don't drive!
Transcribed Image Text:3. Tests reveal that a normal driver takes about 0.75 s before he or she can react to a situation to avoid a collision. It takes about 3 s for a driver having 0.1% alcohol in his system to do the same. If such drivers are traveling on a straight road at 30 mph (44 ft/s) and their cars can decelerate at 2 ft/s², determine the shortest stopping distance d for each from the moment they see the pedestrians. Moral: If you must drink, please don't drive!
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