13 An automobile starting from rest increases its speed from 0 to v with a con acceleration a runs at this speed for a time and

Question

13 An automobile starting from rest increases its speed from 0 to v with a con acceleration a runs at this speed for a time and finally comes to rest with cons deceleration a2 If the total distance traveled is s find the total time t required Ans t s v v 2 1 a 1

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