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A pair of electrons and a photo have the same momentum in a vacuum. The electron pair has a speed of 750 m/s. What is

A pair of electrons and a photo have the same momentum in a vacuum. The electron pair has a speed of 750 m/s. What is the wavelength of the photon?

(6.626x10-34 A = (9. 11x10-31 kq)(750 m S

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