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Author Question: Explain under what conditions you would use percentage error and when you would use percentage ... (Read 18 times)

schs14

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on: Jul 28, 2018
Explain under what conditions you would use percentage error and when you would use percentage difference. Why would you sometimes use both?

Question 2

The magnitude of the electric force between two protons is 2.30  10-26 N. How far apart are they?
  1.0.100 m
  2.0.0220 m
  3.3.10 m
  4.0.00570 m
  5.0.480 m


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xiazhe

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

Percent error is defined as the ratio of the absolute difference between the
experimental and the accepted values to the accepted value, expressed as a
percentage. Percent difference is defined as the ratio of the absolute difference
between the experimental values to an average of the experimental values, expressed
as a percentage. Percent error is a measure of accuracy while percent difference
relates to precision, so both can tell something valuable about how well an
experiment has been done.

Answer to Question 2

1


schs14

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Reply 2 on: Jul 28, 2018
Gracias!

billybob123

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Reply 3 on: Yesterday
Wow, this really help

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