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L
Vo y,
E
A uniform field E = -170000j N/C exists between
two plates of length L = 3 cm, as shown in the figure
above. A proton is fired at an angle of 35° to the x axis
with an initial speed of 5400000 m/s.
a) Find its vertical coordinates as it emerges from the
plate, assuming the proton will not hit any plate in the
process.
cm
b) Find the angle at which it emerges.
degrees to the x axis.

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