Chargers for cell phones get warm while they are being used. Some of the energy that they are using is being used to power the cell phone and the rest is wasted as heat. If a cell phone battery needs 210.J of energy and 362 J are wasted as heat, how many joules are required to charge the cell phone? i

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Chargers for cell phones get warm while they are being used. Some of the energy that they are using is being used to power the cell
phone and the rest is wasted as heat. If a cell phone battery needs 210.J of energy and 362 J are wasted as heat, how many joules are
required to charge the cell phone?
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Transcribed Image Text:Chargers for cell phones get warm while they are being used. Some of the energy that they are using is being used to power the cell phone and the rest is wasted as heat. If a cell phone battery needs 210.J of energy and 362 J are wasted as heat, how many joules are required to charge the cell phone? J eTextbook and Media Save for Later Attempts: 0 of 15 used Submit Answer v S T國A@S ост 25 MacBook Air DII F9 F10 FB
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