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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 327 times)

bobthebuilder

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

D

Answer to Question 2

A


bobthebuilder

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Reply #2 on: Jul 29, 2018
TY


canderson530

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Reply #3 on: Jul 29, 2018
You're welcome


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