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Author Question: The nuclei of radioactive isotopes can sometimes give off A) visible radiation B) UV rays C) ... (Read 127 times)

lbcchick

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on: Jul 27, 2018
The nuclei of radioactive isotopes can sometimes give off
 
  A) visible radiation
  B) UV rays
  C) gamma rays
  D) X-rays

Question 2

Neglecting the effect of air friction, at what angle should a cannon be raised to achieve the greatest RANGE (horizontal distance)?
 
  What will be an ideal response?


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mk6555

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

45.


lbcchick

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Reply #2 on: Jul 27, 2018
TY


mk6555

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Reply #3 on: Jul 27, 2018
You're welcome


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