An oxygen ion with a charge of - 2e is released from rest near the negative plate of a capacitor that has a voltage of 1.5 V between its plates. The mass of an O^2- ion is 2.6 × 10^-26 kg. (a). What is the kinetic energy of the ion when it reaches the positive plate of the capacitor? (b). How fast will the ion be moving when it reaches the positive plate of the capacitor?

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