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Author Question: Which of the 4 fundamental forces binds the nucleus together, and which binds the atom the electron ... (Read 251 times)

drink

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on: Jul 29, 2018
Which of the 4 fundamental forces binds the nucleus together, and which binds the atom the electron orbits together?
 
  A) Strong nuclear force binds the nucleus, weak nuclear force binds the atom.
  B) Strong nuclear force binds the nucleus, electric force binds the atom.
  C) Weak nuclear force binds the nucleus, strong nuclear force binds the atom.
  D) Gravity binds the nucleus, electric force binds the atom.
  E) Electric force binds the nucleus, strong nuclear force binds the atom.

Question 2

A large stick is pivoted about one end and allowed to swing back and forth with no friction as a physical pendulum. The mass of the stick is 5.40 kg and its center of gravity (found by finding its balance point) is 1.80 m from the pivot.
 
  If the period of the swinging stick is 6.90 seconds, what is the moment of inertia of the stick about an axis through the pivot?


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yahahah24021

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

B

Answer to Question 2

115 kg  m2


drink

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Reply #2 on: Jul 29, 2018
TY


yahahah24021

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Reply #3 on: Jul 29, 2018
You're welcome


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