Question: 4-6. What is the most effortless walking speed for a person with 90-cm-long legs if the length of each step is 90 cm? 4-7.

4-6. What is the most effortless walking speed for a person with

4-6. What is the most effortless walking speed for a person with 90-cm-long legs if the length of each step is 90 cm? 4-7. While walking, the arms swing under the force of gravity. Compute the period of the swing. How does this period compare with the period of the leg swing? Assume arm length of 90 cm.

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