Mathematics · Elasticity
Under the same load, wire A having length 5.0 m and cross-section 2.5 × 10-5 m2 stretches uniformly by the same amount as another wire B of length 6.0 m and cross-section 3.0 × 10-5 m2. The ratio of the Young's modulus of wire A to that of wire B will be:
- 11 : 2
- 21 : 10
- 31 : 1✓
- 41 : 4
Correct answer
1 : 1
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