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A composite shaft consisting of two stepped portions having spring constants k1 and k2 is held between two rigid supports at the ends. Its equivalent spring constant is? | |
A. | K1+K2/2 [Wrong Answer] |
B. | K1+K2/K1K2 [Wrong Answer] |
C. | K1K2/K1+K2 [Wrong Answer] |
D. | K1K2 [Correct Answer] |