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Home Q & A Board Science-Related Homework Help Physics Astronomy
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madisonraynor_ madisonraynor_
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6 years ago
Seafloor spreading on the Earth is the process by which
 
  A) volcanic material flows from the deep interior to produce volcanic islands
  B) dense material sank while lighter material rose to the surface during the early geological history
  C) molten lava oozes out between two tectonic plates that are slowly moving apart
  D) oceanic crust sinks below continental crust at a tectonic plate boundary

Question 2

A positively charged electron is
 
  A) called a positron.
  B) called a muon.
  C) called a proton.
  D) not found in nature.
  E) called a pion.

Question 3

Given 30. H and a 60.  resistor, what range of capacity allows tuning this series circuit to the FM band (88-108 MHz)?
 
  What will be an ideal response?

Question 4

A wire of a certain length is carrying a current of 2.0 A. It is placed at an angle of 60 with respect to a magnetic field of strength 0.20 T. If the wire experiences a force of 0.40 N, what is the length of the wire?
 
  A) 1.0 m
  B) 1.2 m
  C) 1.4 m
  D) 1.6 m
  E) 1.8 m
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ilovephysicsilovephysics
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6 years ago
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6 years ago
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