Electric Forces and Electric Fields915.6The attractive force between the charged ends tends to compress the molecule. Its magnitude is ()()()219229122261.6010C1N m8.9910 4.8910NC2.1710mekeFr−−−×⋅==×=××7. The compression of the “spring” is ()()()680.010 00.010 02.1710m2.1710mxr−−==×=×, so the spring constant is 17984.8910N2.2510N m2.1710mFx−−−×===××k15.71.00 g of hydrogen contains Avogadro’s number of atoms, each containing one proton and one electron. Thus, each charge has magnitude AqNe=. The distance separating these charges is , where is Earth’s radius. Thus, 2ErR=()()ER()()()22910eAEe=×22319252262101.6010CN m8.995.1210NC46.3810mkNFR−=××⋅=××6.0215.8
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