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A molecule of DNA (deoxyribonucleic acid) is 2.06 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 1.34% upon becoming charged. Determine the effective spring constant of the molecule N/m Need Help? Read lt

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Answer #1

Concept:- find the compressed length which will be the separation between two charges. Then using Coulomb's law equate electric force to spring force, compression Δχ = 134 X 206ди l0o***************************************************************************************************
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