A train moving with a speed of 60 km hr is slowed down

Last updated: 6/14/2023

A train moving with a speed of 60 km hr is slowed down uniformly to 30 km hr for repair purposes during running After this it was accelerated uniformly to reach to its original speed If the distance covered during constant retardation be 2 km and that covered during constant acceleration be 1 km find the time lost in the above journey A 1 min B 2 min C 4 min D 5 min