Homework Statement
A particle moves from the origin to the point x=3m, y=6m along the curve y=ax^2 - bx , where a = 2.0m^-1 and b = 4.0m . It is subject to a force F=cxy i + d j , where c= 8.0N/m^2 and d= 16N .
Homework Equations
Calculate the work done by the force
The...
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