Question

A train can accelerate at 20 cm/s² and decelerate at 100
cm/s?. Then the minimum time for the train to travel
between the stations 2 km apart is .........(The train should
start at one station and stop at another station)
(Andhra Pradesh 2015-16]
(1) 125 s
(2) 100 s
(3) 155 s
(4)200 s​

Answer 1

Answer:

hope this calculation helps you to understand the solution