8. Centripetal Forces & Gravitation
Uniform Circular Motion
5:30 minutes
Problem 5.84
Textbook Question
Textbook QuestionA flat puck (mass M) is revolved in a circle on a frictionless air hockey table top, and is held in this orbit by a light cord which is connected to a dangling mass (mass m) through a central hole as shown in Fig. 5–51. Show that the speed of the puck is given by v = √mgR/M. <IMAGE>
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