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A uniform electric field pointing in the positive y-direction with E = 100 N/C, fills the...

A uniform electric field pointing in the positive y-direction with E = 100 N/C, fills the region between two parallel plates.  The horizontal length of the plates is 60 cm.

A charged particle with charge Q = - 3.2  x 10-19 C and mass 1.8  x 10-30  Kg, enters the region of constant electric field from the left with an initial velocity v = 9 x106 m/s in the positive x-direction.

What is the magnitude of the velocity of the charged particle when it exits the field at the other side of the plates?

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