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Author Question: An egg falls from a bird's nest in a tree and feels no effects due to the air. As it falls, A) ... (Read 265 times)

bobthebuilder

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An egg falls from a bird's nest in a tree and feels no effects due to the air. As it falls,
 
  A) only its kinetic energy is conserved.
  B) only its momentum is conserved.
  C) both its kinetic energy and its momentum are conserved.
  D) only its mechanical energy is conserved.
  E) both its mechanical energy and its momentum are conserved.

Question 2

How much kinetic energy does a 0.30-kg stone have if it is thrown at 44m/s
 
  A) 290 J
  B) 580 J
  C) 440 J
  D) 510 J



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canderson530

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Answer to Question 1

D

Answer to Question 2

A





 

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