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    Finding Heisenberg uncertainity of a protons velocity

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    What is the approximate uncertainty in the velocity of a proton known to remain within a nucleus of diameter 2.8 * 10^-15 m? What kinetic energy would the proton (mass approximately 1.6 * 10^-27 kg) have at this velocity?

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    You will find the detailed calculations in the attached. I have deduced the minimum KE of the proton using Heisenbergs UP

    Using Heisenberg's Uncertainty principle the product of the spread in position ...

    Solution Summary

    Heisenbergs Uncertainty principle is used to find the uncertainity of the veloicty of the prton confined to the nucleus in a range 2.8*10^-15m. From this the kinetic energy is deduced.