A 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

Question:

A 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

Options :

(a) 1:6
(b) 1:9
(c) 1:11
(d) 1:14

Answer :

Answer Steps :

step 1

step 2

step 3

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