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4. A 25% efficient electric power plant produces one gigajoule of electric energy per second and discharges waste heat into the ocean. Suppose the waste

4. A 25% efficient electric power plant produces one gigajoule of electric energy per second and discharges waste heat into the ocean. Suppose the waste heat could be used to heat homes during the winter instead. A typical American home requires 20 kW for heating. How many homes could be heated with the waste heat of this one power plant

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