Question

A jet plane accelerate from rest on runway at 4m/s^-2. find the distance covered after 5s?

Answer 1

`50m`

Explanation:

we have

`u=0ms^(-1)`

`a=4ms^(-2)`

`t=5s`

`s=?`

using

`s=ut+1/2at^2`

`s=0+1/2 xx4xx5^2`

`s=2xx25=50m`