Question

a train starting from railway station attains a speed of 21 m/s in one minute .Find its acceleration​

Answer 1

Hey mate here is the answer for your question please mark it as the brainliest answer:-
The acceleration of the train is 0.35m/s.
Here is the explanation:-

Answer 2

Answer:

initial velocity of train = 0

final velocity of train = 21 m/s

time taken = 1minutes = 60 sec

Thus,

acceleration = change In velocity/time

= ( 21-0)/60 = 21/60 = 7/20 m/s²