12. The two unstable particles move in the frame K in the same direction along a straight line at the same speed υ = 0.6 s. The distance between the particles in the system K is 64 m. Both particles are broken up at the same time in the To `that is associated with them. Define the time interval between the collapse of the particles in the system K.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)