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Author Question: What is the displacement of a hiker who travels 3.0 km east and then 4.0 km ... (Read 50 times)

ss2343

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on: Jul 28, 2018
What is the displacement of a hiker who travels 3.0 km east and then 4.0 km north?

Question 2

Which scientist first postulated the existence of ions?
 a. Lewis
  b. Dalton
  c. Arrhenius
  d. Berzelius


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voltaire123

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

5.0 km

Answer to Question 2

c


ss2343

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


voltaire123

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


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