Power homework problem

1. Nov 9, 2008

pph1011

1. The problem statement, all variables and given/known data
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 .

2. Relevant equations

P=w/t

3. The attempt at a solution

no ideas

2. Nov 9, 2008

asleight

Re: Power

Integrate with respect to time because:

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