Question

A velocity of a train increases from 10 m/s to 20 m/s in 4 sec. Find the acceleration of train.​

Answer 1

Answer:

(20-10)/(4-0) = 10/4 m/s^2.

Explanation:

formula of acceleration = (change in velocity)/time

Answer 2

Answer:

2.5m/s^2

Explanation:

acceleration =(v-u)÷t

v=20m/s

u=10m/s

so

(20-10)/4

10÷4

2.5m/s^2