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Author Question: A ball falls from the top of a building, through the air (air friction is present), to the ground ... (Read 73 times)

melly21297

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on: Jul 29, 2018
A ball falls from the top of a building, through the air (air friction is present), to the ground below. How does the kinetic energy (K) just before striking the ground compare to the potential energy (U) at the top of the building?
 
  A) K is equal to U.
  B) K is greater than U.
  C) K is less than U.
  D) It is impossible to tell.

Question 2

King Kong falls from the top of the Empire State Building, through the air (air friction is present), to the ground below.
 
  How does his kinetic energy (K) just before striking the ground compare to his potential energy (U) at the top of the building? A) K is equal to U.
  B) K is less than U.
  C) K is greater than U.
  D) It is impossible to tell.


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Fayaz00962

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

C

Answer to Question 2

B


melly21297

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Reply #2 on: Jul 29, 2018
TY


Fayaz00962

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


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