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A neutron in a nuclear reactor makes an elastic head-on collision with the nucleus of a...

A neutron in a nuclear reactor makes an elastic head-on collision with the nucleus of a carbon atom initially at rest.

(b) If the initial kinetic energy of the neutron is 1.9 ? 10-13 J, find its final kinetic energy and the kinetic energy of the carbon nucleus after the collision.

neutron J
carbon nucleus J
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