An attempt to remedy the difference in apparent solar days was the calculation of a
a. meridian day.
b. 24-hour day.
c. sidereal day.
d. mean solar day.
d
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What is the potential at a distance of 0.0529 nm from a proton?
A. 13.6 no B. -13.6 no C. 27.2 V D. -27.2 no E. 9.11 pC
An electric dipole is surrounded by a closed surface with the surface nearer to the negative end of the dipole than the positive end. The flux through the surface is
A. positive. B. negative. C. proportional to the negative charge. D. inversely proportional to the positive charge. E. zero.
Contrast the composition of stony and iron meteorites
What will be an ideal response?
Regarding the validity of Ptolemy's and Copernicus' theories:
A) Ptolemy was proven wrong and Copernicus was proven right. B) they were both good theories, but Ptolemy's point of view ultimately turned out to be more useful. C) the experimental facts known in Copernicus' time tended to support Copernicus' theory over Ptolemy's. D) they were both wrong and useless theories. E) they were both good theories, but Copernicus' point of view ultimately turned out to be more useful.