SOLUTION: Is it possible for a car to start from Point A, travel to and stop at Point B at an average speed of 60 mph and never exceed a reading of 60 mph on the speedometer? Why or why not
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Question 247265: Is it possible for a car to start from Point A, travel to and stop at Point B at an average speed of 60 mph and never exceed a reading of 60 mph on the speedometer? Why or why not?
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
No.
In order to stop at point B, the car must slow down to 0. Since the car averages 60, and it has at least some time spent going less than 60 (in order to stop), the only way to 'make up' for the slower speeds it to travel faster than 60 for some amount of time.
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