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A Van de Graaff generator is one of the original particle accelerators and can be used to accelerate charged particles like protons or electrons. You may have seen it used to make human hair stand on end or produce large sparks. One application of the Van de Graaff generator is to create x-rays by bombarding a hard metal target with the beam. Consider a beam of protons at 1.85 keV and a current of 5.40 mA produced by the generator. (a) What is the speed of the protons (in m/s)

Sagot :

Numenius

Answer:

The speed of the proton is [tex]v =5.95\times 10^{5} m/s[/tex]

Explanation:

Energy, E = 1.85 keV

mass of proton, m = 1.67 x 10^-27 kg

Let the speed is v.

The kinetic energy is given by

[tex]K = 0.5m\times v^{2}\\\\1.85\times \1.6\times 10^{-16} = 0.5\times 1.67\times 10^{-27}\times v^{2}\\\\v =5.95\times 10^{5} m/s[/tex]

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