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A steel bar of a length, diameter and Young’s modulus of 400 mm, 20 mm and 200 GPa is placed concentrically within a brass tube which has an outside diameter,thickness, length and Young’s modulus of 30 mm, 4 mm, 400 mm long and 100 GPa respectively. The compound bar hangs vertically with its upper end rigidly fixed with a collar fitted to the bottom end. The application of a load P results in the compound bar storing a total of 7 J of energy. Calculate: 1.1 The gradually applied load 1.2. The suddenly applied load 1.3 The impact load that falls 150 mm and induces 7 J of energy 1.4 The instantaneous stresses in both materials 1.5 The instantaneous elongation of the compound rod

A steel bar of a length, diameter and Young’s modulus of 400 mm, 20 mm and 200 GPa is placed concentrically within a brass tube which has an outside diameter,thickness, length and Young’s modulus of 30 mm, 4 mm, 400 mm long and 100 GPa respectively. The compound bar hangs vertically with its upper end rigidly fixed with a collar fitted to the bottom end. The application of a load P results in the compound bar storing a total of 7 J of energy. Calculate: 1.1 The gradually applied load 1.2. The suddenly applied load 1.3 The impact load that falls 150 mm and induces 7 J of energy 1.4 The instantaneous stresses in both materials 1.5 The instantaneous elongation of the compound rod

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A steel bar of a length, diameter and Young’s modulus of 400 mm, 20 mm and 200 GPa is placed concentrically within a brass tube which has an outside diameter,thickness, length and Young’s modulus of 30 mm, 4 mm, 400 mm long and 100 GPa respectively. The compound bar hangs vertically with its upper end rigidly fixed with a collar fitted to the bottom end. The application of a load P results in the compound bar storing a total of 7 J of energy. Calculate:

1.1 The gradually applied load 1.2. The suddenly applied load
1.3 The impact load that falls 150 mm and induces 7 J of energy
1.4 The instantaneous stresses in both materials
1.5 The instantaneous elongation of the compound rod

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