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1. |
A rubber cord of cross-sectional area 2cm2 has a length of 1m. When a tensile force of 10N is applied the length of the cord increases by 1cm. What is the youngs modulus of rubber? |
A. | 2x108 Nm-2 |
B. | 5x106 Nm-2 |
C. | 0.5x10-6 Nm-2 |
D. | 0.2x10-6Nm-2 |
Answer» C. 0.5x10-6 Nm-2 | |