An engineering student is driving on a level roadway and sees a construction sign 600 feet ahead in the middle of the roadway. The student strikes the sign at 35 mph. If the student was travelling at 55 mph when the sign was first spotted, what was the student's associated perception-reaction time, in seconds? Assume that deceleration is 11.2 ft/s2

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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An engineering student is driving on a level roadway and sees a construction sign 600 feet ahead in the middle of the roadway. The student strikes the sign at 35 mph. If the student was travelling at 55 mph when the sign was first spotted, what was the student's associated perception-reaction time, in seconds? Assume that deceleration is 11.2 ft/s2

A. 9.81
B. 5.29
C. 8.91
D. 2.59

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