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A hollow cylinder with an OD of 100mm and an ID of 30mm, supports a load of 100kN. What is the compressive stress in MPa?.............I know stress=p/a , but I am not sure how to find the height in order to calculate the area or if there would be another way of doing it ?

A hollow cylinder with an OD of 100mm and an ID of 30mm, supports a load of 100kN. What is the compressive stress in MPa?.............I know stress=p/a , but I am not sure how to find the height in order to calculate the area or if there would be another way of doing it ?

Construction Materials, Methods and Techniques (MindTap Course List)
Construction Materials, Methods and Techniques (MindTap Course List)
4th Edition
ISBN:9781305086272
Author:William P. Spence, Eva Kultermann
Publisher:William P. Spence, Eva Kultermann
Chapter3: Properties Of Materials
Section: Chapter Questions
Problem 4RQ: How does a tensile stress differ from a compressive stress?
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A hollow cylinder with an OD of 100mm and an ID of 30mm, supports a load of 100kN. What is the compressive stress in MPa?.............I know stress=p/a , but I am not sure how to find the height in order to calculate the area or if there would be another way of doing it ? 

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what is the formula that you used?....I tried to look it up but could not find it ?

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