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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 17 times)

ss2343

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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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Answer to Question 1

5.0 km

Answer to Question 2

c



ss2343

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Both answers were spot on, thank you once again



voltaire123

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