he car is traveling at a speed of /1 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 6 t/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 terchange ramp. Determine the magnitude of the total car acceleration (a) just before it gets to B, (b) just after it asses B, and (c) at point C. 230 B C
he car is traveling at a speed of /1 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 6 t/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 terchange ramp. Determine the magnitude of the total car acceleration (a) just before it gets to B, (b) just after it asses B, and (c) at point C. 230 B C
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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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