Question
Medium
Solving time: 3 mins
A weight is fastened to the end of a steel wire of unstretched length . It is whirled in a vertical circle and has an angular velocity of at the bottom of the circle. The area of cross-section of the wire is . Calculate the elongation of the wire when the weight is at the lowest point of the path. Young's modulus of steel .
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Question Text | A weight is fastened to the end of a steel wire of unstretched length . It is whirled in a vertical circle and has an angular velocity of at the bottom of the circle. The area of cross-section of the wire is . Calculate the elongation of the wire when the weight is at the lowest point of the path. Young's modulus of steel . |
Topic | Mechanical Properties of Solids |
Subject | Physics |
Class | Class 11 |
Answer Type | Text solution:1 |
Upvotes | 76 |