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Author Question: As a tile falls from the roof of a building to the ground its momentum is conserved. A) True B) ... (Read 22 times)

tatyanajohnson

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on: Jul 29, 2018
As a tile falls from the roof of a building to the ground its momentum is conserved.
 
  A) True
  B) False

Question 2

When U-238 emits an alpha particle, the resulting nucleus has
 
  A) 90 protons.
  B) 91 protons.
  C) 92 protons.
  D) 93 protons.
  E) 94 protons.


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fur

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

B

Answer to Question 2

Answer: A


tatyanajohnson

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

ebonylittles

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Reply 3 on: Yesterday
Gracias!

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