The car is traveling at a speed of 75 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7.4 ft/sec? until it gets to point B, after which its constant rate of decrease of speed is 3.7 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. 190 292 Answers: (a) Just before B, a ft/sec? (b) Just after B, ft/sec i (c) At C. ft/sec
The car is traveling at a speed of 75 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7.4 ft/sec? until it gets to point B, after which its constant rate of decrease of speed is 3.7 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. 190 292 Answers: (a) Just before B, a ft/sec? (b) Just after B, ft/sec i (c) At C. ft/sec
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The car is traveling at a speed of 75 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7.4 ft/sec2 until it gets to point B, after which its constant rate of decrease of speed is 3.7 ft/sec2 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.
Transcribed Image Text:The car is traveling at a speed of 75 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7.4 ft/sec? until it
gets to point B, after which its constant rate of decrease of speed is 3.7 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.
190
292
Answers:
(a) Just before B, a
ft/sec?
(b) Just after B,
i
ft/sec?
(c) At C.
ft/sec
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