# Physics

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A capacitor is constructed from two conducting with a plate separation of d. The voltage between the plates is 31.2 volts and the electric field between the two plates is measured to be E = 2805 V/m.

What is the minimum amount of force needed to push an electron from the positive plate back to the negative plate?

• Physics -

F=eE=1.6•10⁻¹⁹•2805 = 4.5•10⁻¹⁶ N

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