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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 54 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
:D TYSM

meow1234

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Reply 3 on: Yesterday
Wow, this really help

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