A cell phone charger operates at 5 volts and can deliver a maximum current of 1.0 Amp. If your cell phone has an energy storage capacity of 38.9~38.9 kiloJoules, what is the shortest possible time (in hours) it would take to fully charge your empty phone battery using this charger.
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A cell phone charger operates at 5 volts and can deliver a maximum current of 1.0 Amp. If your cell...
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