11. What is "energy efficiency" and how efficient is the human body?

Question

Megan Powell

Chemistry

12 November, 04:47

11. What is "energy efficiency" and how efficient is the human body?

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Answers (2)

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Kayden Romero · Answer 1

Kayden Romero 12 November, 05:04

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Alani Dunn · Answer 2

our bodies are not 100% efficient at converting food energy into mechanical output. But at about 25% efficiency, we're surprisingly good considering that most cars are around 20%, and that an Iowa cornfield is only about 1.5% efficient at converting incoming sunlight into chemical storage.

Explanation:

our bodies are not 100% efficient at converting food energy into mechanical output. But at about 25% efficiency, we're surprisingly good considering that most cars are around 20%, and that an Iowa cornfield is only about 1.5% efficient at converting incoming sunlight into chemical storage.