## Question

###### The nucleus of a typical atom is $5.0 \mathrm{fm}\left(1 \mathrm{fm}=10^{-15} \mathrm{m}\right)$ in diameter. A very simple model of the nucleus is a onedimensional box in which protons are confined. Estimate the energy of a proton in the nucleus by finding the first three allowed energies of a proton in a 5.0 -fm-long box.

The nucleus of a typical atom is $5.0 \mathrm{fm}\left(1 \mathrm{fm}=10^{-15} \mathrm{m}\right)$ in diameter. A very simple model of the nucleus is a onedimensional box in which protons are confined. Estimate the energy of a proton in the nucleus by finding the first three allowed energies of a proton in a 5.0 -fm-long box.

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