Of the many different features of the scientific method, one ...

[Zoey63294]

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

[Ptupou85]

Answer to Question 1

E

Answer to Question 2

A

[Zoey63294]

Excellent

[ryhom]

Gracias!