Physics, 30.09.2019 23:40 tinasidell1972
If you have ever used a compass, you know that it can be used to navigate. it does this with a needle that always points north, so you know which direction you are heading. why does a compass needle point north?
a)due to the direction of the earth's orbit.
b)due to the influence of the earth's rotation.
c)due to the influence of the earth's magnetic field.
d)due to the influence of the earth's electric field.
Answers: 2
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An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?
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1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
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Which of the following can enter and exit a closed system? a. matter and energy b. neither energy nor matter c. matter but not energy d. enrgy but not matter
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If you have ever used a compass, you know that it can be used to navigate. it does this with a need...
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