Determining the effective spring constant of the molecule


A molecule of DNA (deoxyribonucleic acid) is 2.17 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 1.8% upon becoming charged. Determine the effective spring constant of the molecule. coulombs constant = 8.98755 x10^9 amd the acceleration due to gravity is 9.8 ms2.

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Physics: Determining the effective spring constant of the molecule
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