Physics for Scientists and Engineers 10th Edition · Conservation of Energy · Problem 47
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Serway & Jewett — Conservation of Energy: Problem 47
What If? Consider the roller coaster described in Problem 34. Because of some friction between the coaster and the track, the coaster enters the circular section at a speed of \(15.0 \text{ m/s}\) rather than the \(22.0 \text{ m/s}\) in Problem 34. Is this situation more or less dangerous for the passengers than that in Problem 34? Assume the circular section is still frictionless. [Reference from Problem 34: The radius of the circular section is \(12.0 \text{ m}\), and the coaster enters the bottom of the circular section at a speed of \(22.0 \text{ m/s}\). Assume the coaster moves without friction on the track and model the coaster as a particle.]
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Physics for Scientists and Engineers · 10th Edition
저자: Serway & Jewett
출판사: Cengage
단원: Conservation of Energy