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What is the momentum...

What is the
momentum

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Given, `KE = 120 eV, m = 9.1xx10^(-3)kg, e = 1.6xx10^(-19)c`
`P = sqrt(2m(KE)) = sqrt(2xx9.1xx10^(-31)xx(120xx1.6xx10^(-19))) therefore P = 5.91xx10^(-24)kg-m//s`
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