Final Exam Spring 2005-with answers

Final Exam Spring 2005-with answers - AEM 264-002/921 Final...

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ρ =600ft 30º A C B AEM 264-002/921 Final Exam – Spring 2005 5/3/05 Closed book, closed notes exam. Two 8½ inch by 11 inch sheets of handwritten formulas allowed. Work #9 and #10 and any 7 of problems #1 to #8 1. A car is traveling at a constant 75 feet/sec. The driver sees a deer dart into the road and begins braking. It takes 0.5 seconds from this point in time (t=0) before the car starts decelerating at 18 ft/sec 2 . Sketch the acceleration vs. time plot Sketch the velocity vs. time plot with the time when V=0 clearly marked Sketch the position vs. time plot How far does the car travel before it stops? ANS: 194 ft 2. A car leaves the highway at a speed of 45 mph (66 ft/sec) and enters an exit ramp with a constant radius of 600 feet. At point A the driver presses the brake and begins a constant deceleration that will cause the car to stop at point C. What are the components of acceleration of the car at point B? ANS:
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Final Exam Spring 2005-with answers - AEM 264-002/921 Final...

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