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Home Q & A Board Science-Related Homework Help Physics
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mcke mcke
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6 years ago
When a photon collides with a free electron at rest and the direction of motion of the photon changes,
 a. the magnitude of the momentum of the photon does not change. b. the momentum of the electron does not change. c. the kinetic energy of the electron does not change. d. the total energy of the photon does not change. e. both the magnitude of the momentum and the total energy of the photon decrease.
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danielmata99danielmata99
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#1
6 years ago
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mcke Author
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6 years ago
this is exactly what I needed
Butwhy
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Yesterday
Smart ... Thanks!
jamesbove
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2 hours ago
Helped a lot
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