1122_EXP_11_HW - regions is increased Find the length of...

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PHYS 1122 Exp.11 Thermal Conductivity Homework NAME:_________________________ 1) Why portable coolers are often made of styrene foam? 2) A bar with cross-sectional area A = 0.5cm 2 is used to conduct heat between two regions at different temperature. The bar is made of silver, k = 417 W/(m·K). The figure below shows the rate of heat flow as the temperature difference between these two
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Unformatted text preview: regions is increased. Find the length of the silver bar. 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 5 10 15 20 25 30 ΔT (Celsius) ΔQ/Δt (J/s) 3) In Q2, if the length of the bar is doubled what would be the new slope for a graph of rate of heat flow vs. temperature difference?...
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