Question

A car starts from rest, moves with an acceleration a and
then decelerates at a constant rate b for sometime to
come to rest. If the total time taken is"t". The maximum
velocity of car is given by:
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Answer 1

Answer:

$s = ut + \frac{1}{2} a {t}^{2}$

${v}^{2} = {u}^{2} + 2as$