A proton starting from rest is accelerated in a cyclotron, Ask an Expert

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A proton starting from rest is accelerated in a cyclotron to a speed of 3.0•106 m/s. How much work, in electron volts, is done on the proton by the electrical force of the cyclotron that is accelerated? ( 1 eV = 1.6•10-19 J)

[a] 32.0 keV
[b] 47.0 keV
[c] 27.0 keV
[d] 83.5 keV

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