If an electron is accelerated from rest through a potential difference of 1 200 V,find its approximate velocity at the end of this process.(e = 1.6 x 10-19 C;me = 9.1 x 10-31 kg)
A) 1.0 x 107 m/s
B) 1.4 x 107 m/s
C) 2.1 x 107 m/s
D) 2.5 x 107 m/s
Correct Answer:
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