# A helicopter’s speed increases from 25 m/s to 60 m/s in 5 seconds. What is the acceleration of this helicopter?

##### 2 Answers

The answer is

#### Explanation:

So

Apr 18, 2018

#### Explanation:

We use the basic kinematics equation,

#u# is the initial velocity of the object

#a# is the acceleration of the object

#t# is the time taken

Rearranging for

#v# is the final velocity of the object

And so,