# An automobile accelerates at 4 m/#s^2# from 20 m/s to 36 m/s. How long did that acceleration take?

##### 1 Answer

Aug 13, 2017

#### Explanation:

According to the given information,

acceleration 'a' = 4 m/

initial velocity 'u' = 20 m/s

final velocity 'v' = 36 m/s

Now, I have to find how long the acceleration of the automobile takes place.

refer that 't' is time taken

Using equation,

value of 't' comes out to be 4 s.