What is the velocity of an electron with a kinetic energy of 3.0×10^–25 J and a mass of 9.1×10^–31 kg? - ATOMIC STRUCTURE Quiz | GKFix.in

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Question

What is the velocity of an electron with a kinetic energy of 3.0×10^–25 J and a mass of 9.1×10^–31 kg?

A. 812 m/s
B. 700 m/s
C. 900 m/s
D. 1000 m/s