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Author Question: The main fuel for producing energy in the center of the sun is A) helium. B) hydrogen. C) ... (Read 38 times)

stock

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on: Jul 29, 2018
The main fuel for producing energy in the center of the sun is
 
  A) helium.
  B) hydrogen.
  C) uranium.
  D) any radioactive material.
  E) oxygen.

Question 2

An object is attached to a vertical ideal massless spring and bobs up and down between the two extreme points A and B. When the kinetic energy of the object is a minimum, the object is located
 
  A) 1/4 of the distance from A to B.
  B) midway between A and B.
  C) 1/ times the distance from A to B.
  D) 1/3 of the distance from A to B.
  E) at either A or B.


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nguyenhoanhat

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

B

Answer to Question 2

E


stock

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Reply 2 on: Jul 29, 2018
Wow, this really help

nguyenhoanhat

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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