Concept explainers
Use the equation
The reason that the end of a fly swatter moves much faster than the person’s wrist when swatting a fly.
Answer to Problem 29A
It is because distance of the end of a fly swatter is more than the distance of the wrist from the shoulder.
Explanation of Solution
Introduction:
A linear speed
Where,
The rotational speed of the person’s hand,
Now, the distance of the fly swatter from the shoulder is significantly large than the distance of the wrist from the shoulder. Therefore, the end of the fly swatter moves much faster than the person’s wrist.
Conclusion:
Hence, due to the difference in the distances of the end of the fly swatter and that of the wrist from the shoulder, there is a difference in their respective speeds.
Chapter 10 Solutions
Conceptual Physics: The High School Physics Program
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