Question

An electron is launched at a 45∘ angle and a speed of 5.0×106m/s from the positive plate of the parallel-plate capacitor shown in the figure (Figure 1). The electron lands 4.0 cm away.

What is the electric field strength inside the capacitor?

What is the smallest possible spacing between the plates?

Express your answer with the appropriate units.

Step 1

Step 2

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