8. Centripetal Forces & Gravitation
Uniform Circular Motion
9:08 minutes
Problem 5.90
Textbook Question
Textbook QuestionA train traveling at a constant speed rounds a curve of radius 215 m. A lamp suspended from the ceiling swings out to an angle of 18.5° throughout the curve. What is the speed of the train? [Hint: See Example 4–15.]
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