A 10 kg migratory swan cruises at 20 m/s. A calculation that takes into account the necessary
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A 10 kg migratory swan cruises at 20 m/s. A calculation that takes into account the necessary forces shows that this motion requires 200 W of mechanical power. If we assume an efficiency similar to humans, a reasonable assumption, then the metabolic power of the swan is significantly higher than this. The swan doesn’t stop to eat during a long day of flying; it gets the energy it needs from fat stores. Assuming an efficiency similar to humans, after 12 hours of flight,
a. How far has the swan traveled?
b. How much metabolic energy has it used?
c. What fraction of its body mass does it lose?
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Related Book For
College Physics A Strategic Approach
ISBN: 9780134779218
4th Edition
Authors: Randall D. Knight, Brian Jones
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