Question: Suppose the bulb in a two-cell flashlight draws 4 W of power. The batteries go dead in 45 min and cost $7.99. (a) How many

Suppose the bulb in a two-cell flashlight draws 4 W of power. The batteries go dead in 45 min and cost $7.99.

(a) How many kilowatt-hours of energy can be supplied by the two batteries?

(b) What is the cost per kilowatt-hour of energy if the batteries cannot be recharged?

(c) If the batteries can be recharged at a cost of 9 cents per kilowatt-hour, what is the cost of recharging them?

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