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The heat generated by radioactivity within the earth is conducted outward through the oceans. Assuming the average temperature gradient within the solid earth beneath the ocean to be 0.07 ^(@)C^(-1) and the average thermal conductivity 0.2 cal m^(-1) s^(-1) ^(@)C^(-1), determine the rate of heat transfer per square metre. Radius of the earth = 6400 km.- further, determine the quantity of heat transferred through the earth's surface each day |
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