On a camping trip, you are using a sleeping bag that has a top layer of 7.0 cm thickness, a total top surface area of 1.

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On A Camping Trip You Are Using A Sleeping Bag That Has A Top Layer Of 7 0 Cm Thickness A Total Top Surface Area Of 1 1 (44.93 KiB) Viewed 18 times

On a camping trip, you are using a sleeping bag that has a top layer of 7.0 cm thickness, a total top surface area of 1.4 m², and a thermal conductivity of 0.045 W/m.°C. While your body maintains a constant temperature of 35°C inside the sleeping bag, you lose 45 W of heat energy by conduction through the sleeping bag. Assuming that no heat is lost to the ground underneath you (you are sleeping on an insulated pad), what is the outside air temperature? O a) -15°C b) +5.0°C c) -5.0°C d) +12°C e) -8.5°C