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Author Question: Which scientific theory or theories of the atom agrees with all of the atomic experiments performed ... (Read 97 times)

khang

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on: Jul 29, 2018
Which scientific theory or theories of the atom agrees with all of the atomic experiments performed to date?
 
  A) The quantum theory of the atom.
  B) The planetary theory of the atom.
  C) The Greek theory of the atom.
  D) Both the planetary theory and the quantum theory of the atom.
  E) None of the above theories agree with all of the atomic experiments performed to date.

Question 2

A car traveling at a steady 20 m/s rounds an 80-m radius horizontal unbanked curve with the tires on the verge of slipping.
 
  What is the maximum speed with which this car can round a second unbanked curve of radius 320 m if the coefficient of static friction between the car's tires and the road surface is the same in both cases? A) 160 m/s
  B) 80 m/s
  C) 70 m/s
  D) 40 m/s
  E) 30 m/s


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brbarasa

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

A

Answer to Question 2

D


khang

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


brbarasa

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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