An electric car is being designed to have an average power output of 4,200 Watt for 2 hour before needing to be recharged. (Suppose there is no wasted energy.)
(a) Find how much energy would be stored in the charged batteries?
____J
(b) The batteries operate on 50 Volt. Find what would the current be when they are operating at 4,200 Watt?
_____A
(c) To be able to recharge the batteries in 1 hour, determine how much power would have to be supplied to them?
_____W