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An proton (mass=1.67*10^-27 kg) is accelerated in the uniform field E (E=1.70*10^4 N/C) between two parallel...

An proton (mass=1.67*10^-27 kg) is accelerated in the uniform field E (E=1.70*10^4 N/C) between two parallel charged plates. The separation of the plates is 2.30 cm. The proton is acerbated from the rest near the positive plate and crashes into the negative plate. With what speed does it crash into the negative plate?

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