Solving a problem in physics section 23 point 15 mechan

Solving a problem in physics section 23 point 15 mechan

15. The proper time of life π-meson 2,6 ∙ 10-8 s. What is the lifetime of the π-meson to the observer with respect to which the particle is moving at a speed of 0.8 seconds?

Additional information:

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