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Homework Statement
Suppose electrons enter the electric field midway between two plates at an angle θ0 to the horizontal, as shown in the figure, where L = 5.1 cm and H = 1.1 cm. The path is symmetrical, so they leave at the same angle θ0 and just barely miss the top plate. What is θ0? Ignore fringing of the field.
Homework Equations
F = qE
The Attempt at a Solution
Not sure where to start but I'm assuming I have to break things into components and that there's trig involved...