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The car is traveling at a speed of 71 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 6.6 ft/sec² until it gets to point B, after which its constant rate of decrease of speed is 3.8 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.

The car is traveling at a speed of 71 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 6.6 ft/sec² until it gets to point B, after which its constant rate of decrease of speed is 3.8 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.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The car is traveling at a speed of 71 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 6.6 ft/sec² until it gets to point B, after which its constant rate of decrease of speed is 3.8 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. Answers: (a) Just before B, (b) Just after B, (c) At C, 315' a = a = a = i i i 230' ft/sec² ft/sec² ft/sec²
Transcribed Image Text:The car is traveling at a speed of 71 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 6.6 ft/sec² until it gets to point B, after which its constant rate of decrease of speed is 3.8 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. Answers: (a) Just before B, (b) Just after B, (c) At C, 315' a = a = a = i i i 230' ft/sec² ft/sec² ft/sec²
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