Physics for Scientists and Engineers 10th Edition · Rotation of a Rigid Object about a Fixed Axis · Problem 10
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Serway & Jewett — Rotation of a Rigid Object about a Fixed Axis: Problem 10
A straight ladder is leaning against the wall of a house. The ladder has rails 4.90 m long, joined by rungs 0.410 m long. Its bottom end is on solid but sloping ground so that the top of the ladder is 0.690 m to the left of where it should be, and the ladder is unsafe to climb. You want to put a flat rock under one foot of the ladder to compensate for the slope of the ground. (a) What should be the thickness of the rock? (b) Does using ideas from this chapter make it easier to explain the solution to part (a)? Explain your answer.
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주어진 조건: 4.90 m, 0.410 m, 0.690 m
구하는 것: (a) What should be the thickness of the rock?; (b) Does using ideas from this chapter make it easier to explain; (a)? Explain your answer
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Physics for Scientists and Engineers · 10th Edition
저자: Serway & Jewett
출판사: Cengage
단원: Rotation of a Rigid Object about a Fixed Axis