A high energy positron interacts with an electron in the matter that it penetrates. We name the original direction of travel of positron, the x-direction. The electron in the matter may be assumed stationary. After the interaction, the positron scatters making an angle of 27.5o with the x-direction. It is observed that the electron is emitted from the matter, making also the same angle of 27.5o with the x-direction. What is the kinetic energy of the positron before the collision? Express your answer in MeV, rounding to 2 decimal digits.
A high energy positron interacts with an electron in the matter that it penetrates. We name the original direction of travel of positron, the x-direction. The electron in the matter may be assumed stationary. After the interaction, the positron scatters making an angle of 27.5o with the x-direction. It is observed that the electron is emitted from the matter, making also the same angle of 27.5o with the x-direction. What is the kinetic energy of the positron before the collision? Express your answer in MeV, rounding to 2 decimal digits.
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A high energy positron interacts with an electron in the matter that it penetrates. We name the original direction of travel of positron, the x-direction. The electron in the matter may be assumed stationary. After the interaction, the positron scatters making an angle of 27.5o with the x-direction. It is observed that the electron is emitted from the matter, making also the same angle of 27.5o with the x-direction.
What is the kinetic energy of the positron before the collision? Express your answer in MeV, rounding to 2 decimal digits.
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