Question

a train has to cover certain distance in minimum time. the train starts from rest and comes to rest finally. if a=5m/s^2 and s=10km find time​

Answer 1

Here:

u=0

v=0

a=5m/s^2

s=10km=10,000m

t=?

s=ut+0.5at^2

or t^2=1000

or t= 10√10 seconds