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Electron Volt

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What is the speed of a 300-eV proton? What is the speed of a 300-eV electron?

Key: 2.40x10^5, 1.03x10^7

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Solution Summary

The solution provides step-by-step calculations for solving the speed of an electron and a proton.

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Assume that E = (1/2)mv^2 (meaning no relativistic effects)

v = (2E/m)^(1/2)

so then ...

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