(a) What is the available energy content, in joules, of a battery that operates a 2.00-W electric...
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(a) What is the available energy content, in joules, of a battery that operates a 2.00-W electric clock for 18 months?
(b) How long can a battery that can supply 8.00 × 104 J run a pocket calculator that consumes energy at the rate of 1.00 × 10-3 W?
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