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A copper pipe with a thermal conductivity of 400 W/mK is used to transfer heat from a hot fluid at 100C to a cold

A copper pipe with a thermal conductivity of 400 W/mK is used to transfer heat from a hot fluid at 100C to a cold fluid at 20C. The copper pipe has a diameter of 0.2 m and a length of 1 m. How much heat is transferred through the copper pipe? a. 400 W b. 800 W c. 1600 W d. 3200 W

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