After they rotate awhile, the princesses then pull themselves using their arms along the rod until they are separated by only 1.0 m. 4. After they come closer together as described above, what is their angular speed? Hint: think about angular momentum. 5. What is the kinetic energy of the two-princess system now? 6. What provided the energy for their increased kinetic energy?
After they rotate awhile, the princesses then pull themselves using their arms along the rod until they are separated by only 1.0 m. 4. After they come closer together as described above, what is their angular speed? Hint: think about angular momentum. 5. What is the kinetic energy of the two-princess system now? 6. What provided the energy for their increased kinetic energy?
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The first three have been answered as
1. 0 m/s
2. 0.93 rad/sec
3. 107.8 J
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