a car starting from rest accelerates at the rate f through a dist. s, then continues at constant speed for some time and then decelerates at the rate of f/2to come to rest. if the total dist. is 5s., then prove that s=ft2/2

Let the time moved by the car at constant speed be t

Distance moved with acceleration f = s

Total distance moved = 5s

Let v = velocity of the car it reached after moving with acceleration f for a distance s.

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