How Much Work Does a Machine Perform Between 9s and 18s?

[pph1011]

Homework Statement

A machine does work at a rate given by , P=ct^2 where c= 18 W/s^2 and t is time.
Find the work done by the machine between 9.0s and 18s .

Homework Equations

P=w/t

The Attempt at a Solution

no ideas

 

[asleight]

Homework Statement

A machine does work at a rate given by , P=ct^2 where c= 18 W/s^2 and t is time.
Find the work done by the machine between 9.0s and 18s .

Homework Equations

P=w/t

The Attempt at a Solution

no ideas

Integrate with respect to time because:

$$P=\frac{dW}{dt}$$.