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(II) A diver (such as the one shown in Fig. 8-28) can

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 54P Chapter 8

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 54P

(II) A diver (such as the one shown in Fig.  ) can reduce her moment of inertia by a factor of about  when changing from the straight position to the tuck position. If she makes  rotations in  when in the tuck position, what is her angular speed (rev/s) when in the straight position?

Step-by-Step Solution:

Step-by-step solution

Step 1 of 3

CONCEPT

Consider the diver and platform as a system. There is no external torque acting on the system to change the angular velocity. So the angular momentum is conserved.

Therefore, by applying the conservation of angular momentum to the diver and platform system, we can calculate the final angular speed of the person.

Step 2 of 3

Chapter 8, Problem 54P is Solved
Step 3 of 3

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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(II) A diver (such as the one shown in Fig. 8-28) can