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Author Question: The total momentum of a flock of identical birds could be zero only if the birds are A) taking ... (Read 116 times)

mynx

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on: Jul 29, 2018
The total momentum of a flock of identical birds could be zero only if the birds are
 
  A) taking off from the ground.
  B) flying in the same direction.
  C) flying in different directions.
  D) very tired and coming down to rest.

Question 2

Just after a big fish swallows a small fish, the momentum of the two-fish system is
 
  A) greater after lunch than before.
  B) the same before and after lunch.
  C) somewhat less after lunch.


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frre432

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

Answer: C

Answer to Question 2

Answer: B


mynx

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Reply 2 on: Jul 29, 2018
Excellent

flexer1n1

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

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