Mathematics · Elasticity
Two cylindrical copper rods A and B having diameters 0.1 cm and 0.05 cm respectively are stretched within proportional elastic limits by a 5 × 103 N force. The length of each wire is 2 m. If the stretch in the thinner wire is 2 cm, the stretch in the thicker wire would be:
- 10.25 cm
- 20.5 cm✓
- 31.0 cm
- 42.0 cm
Correct answer
0.5 cm
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