A spring of force constant \( \mathrm{k} \) is cut into two pieces such that one piece is double...

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A spring of force constant \( \mathrm{k} \) is cut into two pieces such that one piece is double the length of the other. Then the long piece will have a force constant of
\( \mathrm{P} \)
(A) \( (2 / 3) \mathrm{k} \)
(B) \( (3 / 2) \mathrm{k} \)
(C) \( 3 \mathrm{k} \)
(D) \( 6 \mathrm{k} \)
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