A particle (m = 2.0 ?g, q = ?5.0 ?C) has a speed of 30 m/s at point A and moves (with only electric forces acting on it) to point B where its speed is 80 m/s. Determine the electric potential difference VA?VB.
A. ?2.2 kV
B. +1.1 kV
C. ?1.1 kV
D. +2.2 kV
E. +1.3 kV
Answer: C
Physics & Space Science
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