The thermal conductivity of steel is 50 W/(m·K). A steel rod, well insulated along its 3.7-m length, has a cross-sectional area of 0.0025 m². When heat flows along the length of the rod at the rate of 8.2 joules per second, what is the temperature difference between the rod’s ends is most nearly?

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Given Q 82Js k 50Wm k l ... View the full answer