Did Tycho's data prove that Kepler' theory was true?
A) No, because some of Tycho's observations were incorrect.
B) No, because observations can never completely prove the truth of scientific theory.
C) No, because Tycho's data disagreed with Kepler's theory.
D) Yes, because Kepler's theory agreed with all of Tycho's data.
E) Yes, because Tycho's data ruled out the competing theories of Ptolemy and Copernicus.
Question 2
If the z-component of the magnetic field of an electromagnetic wave traveling in the +x direction through vacuum obeys the equation
Bz(x, t) = (1.25 T) cos(3800 m-1)x - (1.14 10-12 rad/s)t, what is the largest that the y component of the electric field can be? (c = 3.0 108 m/s)
A) 375 N/C
B) 4.17 10-15 N/C
C) 3.75 108 N/C
D) 4.17 10-9 N/C
E) 1.25 106 N/C