The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center (Figure 1). When his hands and arms are brought in and wrapped around his body to execute the spin, the hands and arms can be considered a thin-walled hollow cylinder His hands and arms have a combined mass 7.0 kg. When outstretched, they span 1.7 m; when wrapped, they form a thin-walled hollow cylinder of radius 26 cm. The moment of inertia about the rotation axis of the remainder of his body is constant and equal to 0.4 kg-m². For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Anyone can be a ballerina. Part A If his original angular speed is 0.50 rev/s, what is his final angular speed" Express your answer in revolutions per second. 5 ΑΣΦ 6y= Submit Provide Feedback Request Answer ? rev/s

icon
Related questions
Question
please answer clearly.
The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center (Figure 1). When his hands and arms are brought in and wrapped around his body to execute the spin, the hands and arms can be considered a thin-walled hollow cylinder. His hands and arms have a combined mass of 7.0 kg. When outstretched, they span 1.7 m; when wrapped, they form a thin-walled hollow cylinder of radius 26 cm. The moment of inertia about the rotation axis of the remainder of his body is constant and equal to 0.4 kg · m².

For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of "Anyone can be a ballerina."

---

**Part A**

If his original angular speed is 0.50 rev/s, what is his final angular speed? 

Express your answer in revolutions per second.

ω₂ = [input box] rev/s

[Submit Button]   [Request Answer] 

[Provide Feedback]

---

No graphs or diagrams are present in the image.
Transcribed Image Text:The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center (Figure 1). When his hands and arms are brought in and wrapped around his body to execute the spin, the hands and arms can be considered a thin-walled hollow cylinder. His hands and arms have a combined mass of 7.0 kg. When outstretched, they span 1.7 m; when wrapped, they form a thin-walled hollow cylinder of radius 26 cm. The moment of inertia about the rotation axis of the remainder of his body is constant and equal to 0.4 kg · m². For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of "Anyone can be a ballerina." --- **Part A** If his original angular speed is 0.50 rev/s, what is his final angular speed? Express your answer in revolutions per second. ω₂ = [input box] rev/s [Submit Button] [Request Answer] [Provide Feedback] --- No graphs or diagrams are present in the image.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer