While hovering, a particular flying insect applies an average force equal to three times its weight during each downward stroke. Take the mass of the insect to be 1.0 g, and assume the wings move an average downward distance of 1.5 mm during each stroke. Assuming 500 downward strokes per second, estimate the average power output of the insect.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter23: Faraday’s Law And Inductance
Section23.2: Motional Emf
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While hovering, a particular flying insect applies an average force equal to three
times its weight during each downward stroke. Take the mass of the insect to be 1.0
g, and assume the wings move an average downward distance of 1.5 mm during each
stroke. Assuming 500 downward strokes per second, estimate the average power
output of the insect.
7.4 mW
15 mW
22 mW
74 mW
150 mW
220 mW
Transcribed Image Text:While hovering, a particular flying insect applies an average force equal to three times its weight during each downward stroke. Take the mass of the insect to be 1.0 g, and assume the wings move an average downward distance of 1.5 mm during each stroke. Assuming 500 downward strokes per second, estimate the average power output of the insect. 7.4 mW 15 mW 22 mW 74 mW 150 mW 220 mW
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