The car is traveling at a speed of 76 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7.1 ft/sec? until it gets to point B, after which its constant rate of decrease of speed is 2.3 ft/sec? as it rounds the interchange ramp. Determine the magnitude of the total car acceleration (o) just before it gets to B, (b) just after it passes B, and (c) at point C. 248 C 350'

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter3: Characteristics Of The Driver, The Pedestrian, The Bicyclist, The Vehicle, and The Road
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The car is traveling at a speed of 76 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7.1 ft/sec? until it
gets to point B, after which its constant rate of decrease of speed is 2.3 ft/sec? as it rounds the interchange ramp. Determine the
magnitude of the total car acceleration (a) just before it gets to B, (b) just after it passes B, and (c) at point C.
248
C
350'
Transcribed Image Text:The car is traveling at a speed of 76 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7.1 ft/sec? until it gets to point B, after which its constant rate of decrease of speed is 2.3 ft/sec? as it rounds the interchange ramp. Determine the magnitude of the total car acceleration (a) just before it gets to B, (b) just after it passes B, and (c) at point C. 248 C 350'
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