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The rate of heat production of bears is proportional to the cube of its height, measured from foot to shoulder.
A black bear with height 70cm produces heat at a rate of 250W.
Find an expression for the rate of energy consumption of a bear in terms of its shoulder height, h, in meters.
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Hence find the rate of heat production of a 120cm brown bear. Give your answer to the nearest 100W.
In the arctic, the rate of heat loss, in Watts, is given by 800h2.
Find the minimum shoulder height for a polar bear to survive the arctic cold.
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