If no brakes are used immediately, an automobile with a starting velocity of 30 mph or 44 feet/s will collide with a person. If the driver is inebriated, he or she will be able to respond to the situation in three seconds. If the driver is not intoxicated, he or she can react for about 0.75 seconds. Determine the shortest stopping distance required for the driver (intoxicated, under influence of alcohol) to break on time if the automobile accelerates at -2 feet/s2. v, = 44 ft/s %3D d O 721 ft O 616 ft O 517 ft O 800 ft
If no brakes are used immediately, an automobile with a starting velocity of 30 mph or 44 feet/s will collide with a person. If the driver is inebriated, he or she will be able to respond to the situation in three seconds. If the driver is not intoxicated, he or she can react for about 0.75 seconds. Determine the shortest stopping distance required for the driver (intoxicated, under influence of alcohol) to break on time if the automobile accelerates at -2 feet/s2. v, = 44 ft/s %3D d O 721 ft O 616 ft O 517 ft O 800 ft
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:If no brakes are used immediately, an automobile with a starting velocity of
30 mph or 44 feet/s will collide with a person. If the driver is inebriated, he
or she will be able to respond to the situation in three seconds. If the driver
is not intoxicated, he or she can react for about 0.75 seconds. Determine
the shortest stopping distance required for the driver (intoxicated, under
influence of alcohol) to break on time if the automobile accelerates at -2
feet/s2.
v, = 44 ft/s
%3D
d
O 721 ft
O 616 ft
O 517 ft
O 800 ft
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