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Author Question: An oscillating system has a small amount of damping. It is observed that in the course of 20.0 s the ... (Read 22 times)

frankwu

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on: Jul 29, 2018
An oscillating system has a small amount of damping. It is observed that in the course of 20.0 s the amplitude has decreased from A to A/2. What additional time is required for the amplitude to decrease to A/10?
 
  What will be an ideal response?

Question 2

State the Constancy fo the Speed of Light postulate of special relativity.
 
  What will be an ideal response?


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jennafosdick

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Reply #1 on: Jul 29, 2018
Answer to Question 1

46.4 s

Answer to Question 2

The speed of light in a vacuum is the same in all inertial frames of reference, independent of the motion of the source or the receiver.


frankwu

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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