Question

The figure shows an electron entering a parallel-plate capacitor with a speed of 5.65x106 m/s


The figure shows an electron entering a parallel-plate capacitor with a speed of 5.65x106 m/s. The electric field of the capacitor has deflected the electron downward by a distance of 0.618 cm at the point where the electron exits the capacitor. (Figure 1) 

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Part A 

Find the magnitude of the electric field in the capacitor. 

Part B 

Find the speed of the electron when it exits the capacitor.

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