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After doing some exercises on the floor, you are lying on
Chapter 10, Problem 74P(choose chapter or problem)
After doing some exercises on the floor, you are lying on your back with one leg pointing straight up. If you allow your leg to fall freely until it hits the floor (Figure 10–24), what is the tangential speed of your foot just before it lands? Assume the leg can be treated as a uniform rod 0.95 m long that pivots freely about the hip.
Questions & Answers
QUESTION:
After doing some exercises on the floor, you are lying on your back with one leg pointing straight up. If you allow your leg to fall freely until it hits the floor (Figure 10–24), what is the tangential speed of your foot just before it lands? Assume the leg can be treated as a uniform rod 0.95 m long that pivots freely about the hip.
ANSWER:
Step 1 of 3
We are required to calculate the tangential speed of your foot. This can be found considering the law of conservation of energy principle.