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spring of for...

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spring of force constant k is cut into lengths of ratio 1 : 2 : 3. They are connected in series and the new force constant is k. Then they are connected in parallel and force constant is k. Then k : k is (1) 1 : 6 (2) 1 : 9 (3) 1 : 11 (4) 1 : 14

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