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Author Question: On a smooth horizontal floor, an object slides into a spring which is attached to another mass that ... (Read 108 times)

notis

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on: Jul 29, 2018
On a smooth horizontal floor, an object slides into a spring which is attached to another mass that is initially stationary. When the spring is most compressed, both objects are moving at the same speed.
 
  Ignoring friction, what is conserved during this interaction? A) momentum and mechanical energy
  B) momentum only
  C) kinetic energy only
  D) momentum and kinetic energy
  E) momentum and potential energy

Question 2

If work is done on a system by non-conservative forces, the total mechanical energy of a system stays constant.
 
  Indicate whether the statement is true or false


adf223

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

A

Answer to Question 2

FALSE


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