Physics for Scientists and Engineers: A Strategic Approach 5th Edition · Dynamics II: Motion in a Plane · Problem 50
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Randall D. Knight — Dynamics II: Motion in a Plane: Problem 50
In an old-fashioned amusement park ride, passengers stand inside a 5.0-m-diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about a vertical axis. Then the floor on which the passengers are standing suddenly drops away! If all goes well, the passengers will “stick” to the wall and not slide. Clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. A sign next to the entrance says “No children under 30 kg allowed.” What is the minimum angular speed, in rpm, for which the ride is safe?
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주어진 조건: 0.70. A, 30 kg, , in
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Physics for Scientists and Engineers: A Strategic Approach · 5th Edition
저자: Randall D. Knight
출판사: Pearson
단원: Dynamics II: Motion in a Plane