Both Newton and Kepler considered forces on the planets. Kepler mistakenly hypothesized the direction of the forces to be
A) along their directions of travel.
B) perpendicular to their directions of travel.
C) toward the Sun.
D) none of the above
Answer: A
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Energy Density: The energy density of an electromagnetic wave in free space is
A. entirely in the electric field. B. entirely in the magnetic field. C. 1/4 in the electric field and 3/4 in the magnetic field. D. 1/4 in the magnetic field and 3/4 in the electric field. E. equally divided between the magnetic and the electric fields.
Essay? List the six steps you can follow to create a website design plan.
What will be an ideal response?
When you pay the electric company by the kilowatt-hour, what are you actually paying for?
a) energy b) power c) current d) voltage e) none of the above
The L = 4 orbital number admits how many "orientations" of the orbital angular momentum vector?
A) 8 B) 1 C) 5 D) 4 E) 9