Compared with a neutron bouncing off a carbon nucleus, a neutron bouncing off an iron nucleus loses
A)less speed.
B)more speed.
C)the same amount of speed.

Question

Quizplus · Accepted Answer

A neutron bouncing off a carbon nucleus loses more speed than when bouncing off an iron nucleus because carbon has a lower atomic mass than iron, resulting in a greater transfer of kinetic energy and speed to the carbon nucleus.

Compared with a Neutron Bouncing Off a Carbon Nucleus, a Neutron