A 30 kg male emperor penguin under a clear sky in the Antarctic winter loses...
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A 30 kg male emperor penguin under a clear sky in the Antarctic winter loses very little heat to the environment by convection its feathers provide very good insulation It does lose some heat through its feet to the ice and some heat due to evaporation as it breathes the combined power is about 12 W The outside of the penguin s body is a chilly 22 C but its sur roundings are an even chillier 38 C The penguin s surface area is 0 56 m and its emissivity is 0 97 a What is the net rate of energy loss by radiation b If the penguin has a 45 W basal metabolic rate will it feel
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