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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

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