8. Centripetal Forces & Gravitation
Centripetal Forces
6:27 minutes
Problem 5.41
Textbook Question
Textbook Question(II) On an ice rink two skaters of equal mass grab hands and spin in a mutual circle once every 2.5 s. If we assume their arms are each 0.80 m long and their individual masses are 55.0 kg, how hard are they pulling on one another?
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