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Author Question: The source of the earth's magnetic field is thought to be due to the motion of charged particles in ... (Read 72 times)

jace

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on: Jul 27, 2018
The source of the earth's magnetic field is thought to be due to the motion of charged particles in the earth's
 
  A) mantle.
  B) crust.
  C) inner core.
  D) outer core.
  E) mantle & crust.

Question 2

How long does it take a wheel that is rotating at 33.3 rpm to speed up to 78.0 rpm if it has an angular acceleration of 2.15 rad/s2?
 
  A) 20.8 s
  B) 4.75 s
  C) 10.4 s
  D) 2.18 s
  E) 5.20 s


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AngeliqueG

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

D

Answer to Question 2

D


jace

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


AngeliqueG

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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