A proton (mass 1.67×10⁻²⁷ kg) has 100 keV energy. Its speed is approximately: - WORK, ENERGY, AND POWER Quiz | GKFix.in

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A proton (mass 1.67×10⁻²⁷ kg) has 100 keV energy. Its speed is approximately:

A. 1.38×10⁶ m/s
B. 4.38×10⁶ m/s
C. 1.38×10⁷ m/s
D. 4.38×10⁷ m/s

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