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Author Question: In a physics demonstration, two rubber balls are dropped down a tube towards the ground, with the ... (Read 308 times)

fnuegbu

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on: Jul 29, 2018
In a physics demonstration, two rubber balls are dropped down a tube towards the ground, with the lighter ball behind, and not quite in contact with, the heavier ball.
 
  The heavier ball collides with the ground and bounces, then collides with the still descending lighter ball. Assume that all the collisions are elastic. In one such demonstration, the heavier ball has a mass of 500 grams, the lighter one a mass of 100 grams, and they are released 1.00 m above the ground. How high does the lighter ball rise after the two collisions? A) 5.44 m
  B) 10.3 m
  C) 2.95 m
  D) 5.89 m
  E) 1.00 m

Question 2

In the scattering of a photon striking an electron at rest, the energy of the incident photon is equal to the energy of scattered photon minus the final kinetic energy of the electron.
 
  Indicate whether the statement is true or false


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kingfahad97

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

A

Answer to Question 2

FALSE


fnuegbu

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Reply #2 on: Jul 29, 2018
Thank you!


kingfahad97

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Reply #3 on: Jul 29, 2018
Always glad to help...


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