Question

A train moves from rest to a speed of 25 m/s in 30.0 seconds . What is the acceleration

Answer 1

When a car moves from rest then the initial velocity,

`u = 0m {s}^( - 1)`

The final velocity,


`v = 25m {s}^( - 1)`
and time,

`t = 30s`
Using the equation,

`v = u + at`
We have,


`25 = 0 + a(30)`

`25 = 30a`

`(25)/(30) = a`

`\therefore \: a = (5)/(6) m {s}^( - 2)`