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Author Question: The wavelength of a photon decreases when it is scattered from an electron. Indicate whether the ... (Read 102 times)

Ebrown

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on: Jul 29, 2018
The wavelength of a photon decreases when it is scattered from an electron.
 
  Indicate whether the statement is true or false

Question 2

A rock is thrown at some angle above the horizontal with a certain velocity. It reaches its highest point and starts falling down. What is the velocity of the rock at the highest point of its trajectory?
 
  A) 0
  B) 9.8 m/s
  C) It is equal to its initial horizontal velocity.
  D) It is equal to its initial vertical velocity.
  E) It is equal to its initial velocity.


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shoemake

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

FALSE

Answer to Question 2

C


Ebrown

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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