Question

A train starting from rest moves with a uniform acceleration .2m/s^2 from 5 minutes.calculate the speed required and distance travelled in this time

Answer 1

u= 0
a= 2m/s^2
t= 5min= 300s
v=?
s=?

v=u+at
v= 0 + 2(300)
v= 600m/s

s=ut+1/2at^2
s= 1/2 x 2 x 90000
s= 90000 m
s= 90km