Question

consider a car initially at rest,starts to move along a straight road first acceleration 5m/s^,then with uniform velocity and finally,decelerating at 5m/s^,before coming to a stop .total time taken from start to end is t=25s.if the average velocity during that time is 72kmph,the car moved with uniforn velocity for a time of (1)15 s 2)30 s 3)155 s 4)2s

Answer 1

Answer:

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