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Author Question: Of the many different features of the scientific method, one feature is the most important. Without ... (Read 38 times)

Zoey63294

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on: Jul 29, 2018
Of the many different features of the scientific method, one feature is the most important. Without it, we should not call a field a science. This feature is
 
  A) the use of only those theories that are known, for certain, to be true.
  B) that the results should lead to some useful technological application for example, a useful medical treatment.
  C) the use of quantitative measurements.
  D) the use of mathematics.
  E) the interaction between theory and observation.

Question 2

The magnitude of the Poynting vector of a planar electromagnetic wave has an average value of 0.724 W/m2. What is the maximum value of the magnetic field in the wave?
 
  (c = 3.0  108 m/s,
  0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2)
  A) 77.9 nT
  B) 55.1 nT
  C) 38.9 nT
  D) 108 nT
  E) 156 nT


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Ptupou85

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

E

Answer to Question 2

A


Zoey63294

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

ashely1112

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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