question_answer 16)

A nucleus is at rest in the laboratory frame of reference. Show that if it disintegrates into two smaller nuclei, the products must move in opposite directions. 

Answer:

As shown in Fig. 5.125,       Fig. 5.125   The magnitude of the resultant force,   The magnitude of the acceleration produced, . If the force F makes angle  with  then                 with the 8 N force.