Problem 9: You leave a 110 W light bulb on for hours in the day.
Part (a) Express energy through power P and time interval t:
Part (b) How much energy has been used in joules?
E =
Part (c) If the energy used were used to lift a weight of m = 235 kg, write an equation of the height h that the weight can be lifted in terms of P and m.
h =