Electric Forces and Electric Fields915.6The attractive force between the charged ends tends to compress the molecule. Its magnitude is ()( )219229122261.6010C1Nm8.9910 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=×22319252262101.6010C8.995.1210NC46.38 10 mkNFR−=××⋅×6.0215.8The magnitude of the repulsive force between electrons must equal the weight of an
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This note was uploaded on 12/09/2011 for the course PHYS 2020 taught by Professor Staff during the Fall '10 term at FIU.