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


c

Physics & Space Science

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