Question

What is the speed of a beam of pions if their average lifetime is measured to be 4.20 ✕ 10-8 s? At rest, their lifetime is 2.60 ✕ 10-8 s.

Answer 1

plzzzz someone helpp :(

Answer 2

Do you know the time dilation principle?

Answer 3

no can you explain it to me ?

Answer 4

It declares that the time intervals lasted for two different inertial reference frames to measure an event differ and related by the equation
\[\Delta t = \Delta t_0/\sqrt{1-v^2/c^2}\]

Answer 5

okay can you explain what each term represents plz?

Answer 6

well