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- In certain large geographic regions, the underlying rock is hot. Wells can be drilled and water circulated through the rock for heat transfer for the generation of electricity. (a) Calculate the heat transfer that can be extracted by cooling 1.00km3 of granite by 100ºC. (b) How long will this take if heat is transferred at a rate of 300 MW, assuming no heat transfers back into the 1.00 km of rock by its surroundings?Ice covered with a gunnu bag does not melt for long time. Why?In certain large geographic regions, the underlying rock is hot. Wells can be drilled and water circulated through the rock for heat transfer for the generation of electricity. (a) Calculate the heat transfer that can be extracted by cooling 1.00 km3 of granite by 100ºC . (b) How long will it take for heat transfer at the rate of 300 MW, assuming no heat transfers back into the 1.00 km3 of rock by its surroundings?
- The average surface temperature..Newton’s law of cooling states: Rate of cooling is proportional to ΔT This means….In certain large geographic regions, the underlying rock is hot. Wells can be drilled and water circulated through the rock for heat transfer for the generation of electricity. (a) Calculate the heat transfer that can be extracted by cooling 1.00 km3 ofgranite by 100ºC . (b) How long will it take for heat transfer at the rate of 300 MW, assuming no heat transfers back into the 1.00 km3 of rock by its surroundings?
- Machine parts are jammed in winter. Explain.How much heat is absorbed by a 2kg iron skillet over a camp fire as it goes from 25*C to 150*C, irons specific heat is...?Radioactive decay of granite and other rocks in Earths interior provides sufficient energy to keep the inrerior molten, to heat lava, and to provide warmth to natural hot springs.This is due to the average release of about 0.03 J per kilogram each year. Find an increase in temperature for a thermally insulated chunk of granite that takes about 13.2 million years to change temperature. (Assume that the specific heat capacity c of granite is 800 J/kg. C. Use the equation Q=cmdeltaT.
