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Author Question: The half-life of a muon is 2.2 ms. How fast is it moving relative to an observer who says its ... (Read 128 times)

olgavictoria

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on: Jul 28, 2018
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


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welcom1000

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


olgavictoria

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


welcom1000

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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