Physics 211
Lecture 11
Video Problem 2

Video Demonstration
Running time 2 mins, 2 seconds



 

Lecture 11, #2 – Time Dilation and Proper Time

PROBLEM DESCRIPTION

Once created, a charged kaon lives 12.3 ns in its rest frame before decaying into pions. A kaon created in your laboratory zooms by at 0.8c (as measured by observers in your lab). According to observers in your lab, how long does the kaon live?