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Author Question: Are electric fields made of material particles such as atoms, and how do we know? A) Yes, because ... (Read 66 times)

asan beg

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on: Jul 29, 2018
Are electric fields made of material particles such as atoms, and how do we know?
 
  A) Yes, because electric fields have energy and all forms of energy are associated with material particles.
  B) No, because electromagnetic waves are able to cross regions of empty space containing no material particles.
  C) Yes, because the forces exerted by electric fields are always exerted on material particles such as atoms.
  D) No, because electric fields are observed to exist even within protons, and protons are not material particles.
  E) Yes, because everything is made of atoms.

Question 2

What is the magnitude of the momentum of a 0.140 kg baseball traveling at 45.0 m/s?
 
  What will be an ideal response?


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kishoreddi

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

6.30 kg  m/s


asan beg

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Reply 2 on: Jul 29, 2018
Excellent

raenoj

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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