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Q. |
A composite spring is made by joining two springs end to end one spring having twice the stiffness of the other. The ratio of the stiffness of the composite spring to that of the stiffness of the two springs could be |
A. | ? |
B. | 2 |
C. | 3 |
D. | 3?2 |
E. | ? |
Answer» E. ? |
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