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1. A bird is traveling from point i to point f. The potential difference (voltage) in...

1. A bird is traveling from point i to point f. The potential difference (voltage) in its wing is Vf-Vi = -55mV. The molecule from one of its end has one excess proton and mass of 52.4x10^-25 kg. The system consists of the bird molecules. Find the change in the system's electric potentil energy in electron volt and in joules.
2. Assume that the molecule starts from rest, what is its speed when it reaches point f?

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