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a series of city traffic signals is turned so that an automobile travelling at constant speed of 44 feet/sec. will reach signal just as it green. a motorist misses a signal and is stopped at signal A. the next signal B is 800 feet ahead and the maximum accleration of his automobile is 5 feet/sec2. determine what the motorist should do to keep his maximum speed as small as possible, yet reach signal B as it turns green ? Calculate the maximum speed.

a series of city traffic signals is turned so that an automobile travelling at constant speed of 44 feet/sec. will reach signal just as it green. a motorist misses a signal and is stopped at signal A. the next signal B is 800 feet ahead and the maximum accleration of his automobile is 5 feet/sec2. determine what the motorist should do to keep his maximum speed as small as possible, yet reach signal B as it turns green ? Calculate the maximum speed.

Grade:11

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
9 years ago
Speed he can keep as low as possible if he accelerates in starting and then keep a constant speed and covers the rest of distance.



of which first is acceptable.


Arun Kumar
IIT Delhi
Askiitians Faculty

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