Question

passenger train start in journey from railway station if it achieve the velocity 40 km per hour in 20 minute then calculate the acceleration of the train

Answer 1

u=0km/h (as start from rest)
v=40km/h
t=20min=1/3 hrs
a=?
Since a=v-u/t
a=40-0/(1/3)
a=40*3
a=120km/hr sq.
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