particle with a lifetime of 2 X 10-6 s moves through the laboratory with a speed of 0.9 c. It’s lifetime, as measured by an observer in the laboratory, is ___________ a) 2 X 10-6 s b) 3.2 X 10-6 s c) 4.6 X 10-6 s d) 5.4 X 10-6 s
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particle with a lifetime of 2 X 10-6 s moves through the laboratory with a speed of 0.9 c. It’s lifetime, as measured by an observer in the laboratory, is ___________
a) 2 X 10-6 s
b) 3.2 X 10-6 s
c) 4.6 X 10-6 s
d) 5.4 X 10-6 s
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