The half-life of a muon is 2.2 ms. How fast is it moving relative to an observer who says its half-life is 4.4 ms?
a. 0.87 c
b. 0.75 c
c. 0.97 c
d. 0.72 c
e. 0.50 c
Question 2
The half-life of a muon is 2.20 ms as measured in a stationary reference frame. What is the half life of the muon (in ms) when it is moving with a speed of v = 0.800 c?
a. 8.13
b. 2.75
c. 3.67
d. 15.8
e. 1.32