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(Solved): A small particle has charge -2.80\mu C and mass 1.40\times 10^(-4)kg. It moves from point A, where t ...
A small particle has charge -2.80\mu C and mass
1.40\times 10^(-4)kg. It moves from point A, where the
electric potential is V_(A)=+100V, to point B,
where the electric potential V_(B)=+900V. The
electric force is the only force acting on the particle.
The particle has a speed of 4.50(m)/(s) at point A.