The nucleus of a 125Xe atom (an isotope of the element xenon with mass 125 u) is 6.0 fm in diameter. It has 54 protons and charge q=+54e (1 fm = 1 femtometer = 1×10−15m.) Hint: Treat the spherical nucleus as a point charge. 1.)What is the electric force on a proton 3.0 fm from the surface of the nucleus? 2.)What is the proton's acceleration?
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