A positively charged particle is moving horizontally when
Chapter 18, Problem 18.186(choose chapter or problem)
A positively charged particle is moving horizontally when it enters the region between the plates of a parallel plate capacitor, as the drawing illustrates. When the particle is within the capacitor, which of the following vectors, if any, are parallel to the electric field lines inside the capacitor? (a) The particles displacement (b) Its velocity (c) Its linear momentum (d) Its acceleration
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