8.48. A neutron in a nuclear reactor moving with an initial speed of 120 m/s collides with a deuteron (heavy hydrogen in which the nucleus is made of a proton and a neutron) at rest. The neutron is scattered at an angle of 30°. Calculate the recoil angle for the deuteron and the speed of both the o neutron and deuteron after the collision. Draw a diagram showing this collision in the CMCS and Had the corresponding angles in the CMCS.

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