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A molecule of DNA (deoxyribonucleic acid) is 2.11 µm long. The ends of the molecule become...

A molecule of DNA (deoxyribonucleic acid) is 2.11 µm long. The ends of the molecule become singly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 1.18% upon becoming charged. Determine the effective spring constant of the molecule.

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Answer #1

Then length of molecule is 2.11*10^-6 m

Then equilibrium net force is zero.

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