A vehicle standing on a horizontal road accelerates for 10 seconds with an acceleration of 3 m/s². After the vehicle moves at a

Question

A vehicle standing on a horizontal road accelerates for 10 seconds with an acceleration of 3 m/s². After the vehicle moves at a constant speed for 5 seconds, it slows down with acceleration a and stops. If the distance traveled by the car from start to stop is 375 m, what is the acceleration a in m/s²? 
A) 3
B) 4
C) 5
D) 6
E) 8

Kunduz · Accepted Answer

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