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Compute the all parts of given problem:
Problem: An incident x-ray photon is scattered from a free electron that is initially at rest. The photon is scattered straight back at an angle of 180 degrees from its initial direction. The wavelength of the scattered photon is 8.70 x10-2 nm.
Part I: What is the wavelength of the incident photon?
Part II: What is the magnitude of the momentum of the electron after the collision?
Part III: What is the kinetic energy of the electron after the collision?
Show all work, use additional paper if necessary.
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