Which of the following is not one of, nor a direct consequence of, Kepler's Laws?
A) The force of attraction between any two objects decreases with the square of the distance between their centers.
B) As a planet moves around its orbit, it sweeps out equal areas in equal times.
C) The orbit of each planet about the Sun is an ellipse with the Sun at one focus.
D) More distant planets orbit the Sun at slower speeds.
E) A planet or comet in a noncircular orbit travels faster when it is nearer to the Sun and slower when it is farther from the Sun.
A
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To what types of electrically charged objects does Coulomb's law apply?
A) only pointlike particles B) any symmetric objects C) it applies to all such objects D) only pointlike particles and objects that can be treated as particles E) it applies to all such objects as long as they are not moving
How can we measure the strength of magnetic fields on the Sun?
A) by looking for the splitting of spectral lines in the Sun's spectrum B) by observing the sizes of sunspots: Bigger sunspots mean a stronger field C) by observing auroras here on Earth D) only by using sophisticated computer models, because there are no observational ways of measuring magnetic field strength
Which of the following was NOT a contribution made by the Greeks in the development of modern science?
A) The willingness to challenging new ideas B) The use of mathematics to explore new ideas C) The willingness to discard ideas if they didn't work D) The willingness to prove preconceived ideas
The mathematical model of quantum mechanics was principally founded by
a. Max Planck. b. Albert Einstein. c. Neils Bohr. d. Erwin Schrödinger. e. Werner Heisenberg.