A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h −1 in 10 minutes. Find its acceleration.
Given that:
Initial velocity,u=0
Final velocity,v=40km/h
Time taken t=10 min=10/60=1/6 hours
Using v=u+at
a=(v-u)/t=(40-0)/(1/6) = 240 Km/h2