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Author Question: Net force means the vector sum of all the individual forces acting on a particular body. Indicate ... (Read 46 times)

aabwk4

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Net force means the vector sum of all the individual forces acting on a particular body.
  Indicate whether the statement is true or false

Question 2

Once a current has been established in a superconducting material, how much energy is needed to keep it going?
 a. None.
  b. Energy must be continuously provided as the same rate that was used to establish the current in the first place.
  c. Energy must continue to be provided at a lower rate than initially.
  d. Superconductors remove energy from the environment to maintain the current.
  e. The power needed to maintain the current is half that to establish it initially.



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succesfull

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Answer to Question 1

T

Answer to Question 2

a





 

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