In November 2024
Answer to Question #339925 in Classical Mechanics for thembekalanga
a beam of particles strikes a wall containing 2x10^29 nuclei per m^3 .each nucleus behaves like a sphere of radius 3x10^-15 m.find the thickness of a wall that exactly half the particles will penetrate without scattering .what thickness would be needed to stop all but one particle in 10^6?
"d=\\frac{\\sqrt\\frac rn}2=6.1\\cdot 10^{-8}~m."
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#339914 on Dec 2023
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