Question

Velocity of a train changes from 20m/s to 25m/s when it accelerates at a rate 2m/s2 .find the distance covered by train

Answer 1

hey buddy here is your answer

by Udit

using third law of motion

$v {}^{2} - u {}^{2} = 2as$

v =25 m/s
a =2m/s^2
u=20 m/s
s=?

(25)^2-(20)^2=2×2×s

s=(625-400)/4

s=125/4 =31.25m