SOLUTION: A parachute opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 45 seconds. What is the acceleration of the dragster?

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Question 1047378: A parachute opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 45 seconds. What is the acceleration of the dragster?
Answer by Alan3354(69443) About Me  (Show Source):
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A parachute opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 45 seconds. What is the acceleration of the dragster?
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a = |v1 - v2|/t = (45 - 85)/45
a = 40/45 m/sec/sec
a = 8/9 m/sec/sec
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a = -8/9 m/sec/sec, negative in the direction of motion.