Concept explainers
What is the efficiency of her body when a cyclist expends 1000 W of power to deliver mechanical energy to the bicycle at the rate of 100 W?
Efficiency of body.
Answer to Problem 21A
Efficiency of body is,
Explanation of Solution
Given:
Power expands by cyclist,
Power delivered,
Formula used:
Where,
Calculation:
Now, substituting the value of
Conclusion:
Therefore, efficiency of body is
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Conceptual Physics: The High School Physics Program
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