Kepler made a major break from ancient beliefs when he
A) decided to look for a system that could explain actual observations
B) realized that gravity holds the planets in their orbits
C) abandoned circular orbits in favor of elliptical orbits
Ans: C) abandoned circular orbits in favor of elliptical orbits
You might also like to view...
If a proton and an electron have the same speed, which one has the longer de Broglie wavelength?
A) the electron B) the proton C) It is the same for both of them.
The twelve constellations through which the Sun passes are signs of the ________
Fill in the blank(s) with correct word
A baseball outfielder throws a baseball of mass 0.15 kg at a speed of 40 m/s and initial angle of 30°. What is the kinetic energy of the baseball at the highest point of the trajectory?
Double the frequency of musical note and you double its
A) wavelength. B) speed. C) amplitude. D) all of the above E) none of the above