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Author Question: A barge loaded with lumber and iron ore floats in a lock by a dam (a closed pool of water like a big ... (Read 117 times)

ss2343

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on: Jul 29, 2018
A barge loaded with lumber and iron ore floats in a lock by a dam (a closed pool of water like a big swimming pool). If some of the cargo is thrown overboard, the level of water in the lock will
 
  A) rise.
  B) drop.
  C) stay the same.
  D) rise, provided it is lumber that is thrown overboard.
  E) rise, provided it is iron ore that is thrown overboard.

Question 2

If the temperature of an iron sphere is increased
 
  A) its mass will decrease.
  B) its volume will decrease.
  C) its density will decrease.
  D) its density will remain unchanged.
  E) its density will increase.


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scottmt

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

C

Answer to Question 2

C


ss2343

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

pangili4

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Reply 3 on: Yesterday
Excellent

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