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Author Question: A 2.0-kg block is projected down a plane that makes an angle of 20 with the horizontal with an ... (Read 29 times)

Chelseaamend

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A 2.0-kg block is projected down a plane that makes an angle of 20 with the horizontal with an initial kinetic energy of 2.0 J. If the coefficient of kinetic friction between the block and plane is 0.40, how far will the block slide down the plane before coming to rest?
 a. 3.0 m
  b. 1.8 m
  c. 0.30 m
  d. 1.0 m
  e. 1.3 m

Question 2

What are the primary components of all rock
  forming minerals?
   
  a) oxygen and nitrogen
  b) hydrogen and helium
  c) oxygen and silicon
  d) iron and nickel



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alvinum

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Answer to Question 1

a

Answer to Question 2

c




Chelseaamend

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Reply 2 on: Jul 28, 2018
Wow, this really help


ryhom

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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