An electric car is being designed to have an average power output of 6,300 W for 2 h before needing to be recharged. (Assume there is no wasted energy.)
(a) How much energy would be stored in the charged batteries?
= _______ J
(b) The batteries operate on 80 V. What would the current be when they are operating at 6,300 W?
= ________A
(c) To be able to recharge the batteries in 1 h, how much power would have to be supplied to them?
= _________ W