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A metal block with uniform thickness of 100 cm and thermal conductivity of 45 W/m-C is insulated on all four sides and part of the

A metal block with uniform thickness of 100 cm and thermal conductivity of 45 W/m-C is insulated on all four sides and part of the bottom. The bottom surface of 30 cm length is at a constant temperature of 20 degrees Celsius, while the top sufarce of the block is 70 degrees Celsius. What is the amount of heat energy transmitted through the metal block per unit time ?

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50 CM Fo 'c 100 Cm 7o'c Metal 30 Cm 20. C 1430 - (m Insulation side view J Page 1 0

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