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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 60 times)

Chelseaamend

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

a

Answer to Question 2

c


Chelseaamend

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

raenoj

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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