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An electron collides elastically with a stationary hydrogen atom. The mass of the hydrogen atom is...

An electron collides elastically with a stationary hydrogen atom. The mass of the hydrogen atom is 1837 times that of the electron. Assume that all motion, before and after the collision, occurs along the same straight line. What is the ratio of the kinetic energy of the hydrogen atom after the collision to that of the electron before the collision?

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genius_generous answered 2 months ago
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