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Author Question: An auto is coasting on a level road. It weighs 10. kN. How much work is done by gravity as it moves ... (Read 66 times)

mpobi80

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on: Jul 27, 2018
An auto is coasting on a level road. It weighs 10. kN. How much work is done by gravity as it moves horizontally 150. meters?
 
  What will be an ideal response?

Question 2

The presence of which rocks show that between 2 and 3 billion years ago the atmosphere contained less than 1 of the amount of oxygen it contains today?
 
  A) limestone
  B) banded iron formations
  C) silicate clays
  D) sandstone


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Moriaki

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Reply #1 on: Jul 27, 2018
Answer to Question 1

zero (displacement is perpendicular to the force)

Answer to Question 2

B


mpobi80

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Moriaki

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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