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Author Question: How do we specify the location of a star in the night sky? ... (Read 38 times)

Alygatorr01285

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on: Jul 28, 2018
How do we specify the location of a star in the night sky?

Question 2

What creates a magnetic field? More than one answer may be correct. Note: In Chapter 34, we will see that a changing electric field also creates a magnetic field.
  1.a stationary object with electric charge
  2.a moving object with electric charge
  3.a stationary conductor carrying electric current
  4.a difference in electric potential
  5.an electric resistor


kxciann

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Reply #1 on: Jul 28, 2018
Answer to Question 1

We use two coordinates, altitude or zenith angle, and compass direction.

Answer to Question 2

2,3


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Alygatorr01285

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Reply #2 on: Jul 28, 2018
TY


kxciann

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Reply #3 on: Jul 28, 2018
You're welcome


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