4.15

·         

4.15 use the relationship between power, work done (energy transferred) and time taken:

          power = work done            P = Wd

                       time taken                    t

P = Wd / t

P = E / t

P = Power (Watts)

Wd = Work Done (Joules)

E = Energy Transferred (Joules)

t = Time (s)