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A proton that is moving freely has a wavelength of 0.600 pm. (mproton = 1.67 × 10-27 kg, e = 1.60 × 10-19 C, h = 6.626 × 10-34 J ∙ s)
(a) What is its momentum?
(b) What is its speed?
(c) What potential difference would it have been accelerated through, starting from rest, to reach this speed?
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