All __________ galaxies are spiral galaxies that have small, luminous nuclei
a. active
b. radio
c. Seyfert
d. double-lobed radio
e. blazar
c
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A ball is thrown horizontally with an initial velocity of 20.0 m/s from the edge of a building of a certain height. The ball lands at a horizontal distance of 82.0 m from the base of the building. What is the height of the building?
A) 40.5 m B) 60.2 m C) 87.9 m D) 82.4 m E) 50.4 m
Physics is NOT:
a. the study of the material world. b. the search for patterns in the behavior of material objects. c. the search for rules that describe the behavior of objects in the Universe. d. a discipline that covers the entire span of space and time. e. a fixed and unchanging body of knowledge.
____ is a set of rules that describes how atoms and subatomic particles behave
a. Kirchhoff's law b. Black body radiation law c. The Coulomb force d. Quantum mechanics e. The binding energy
What is the direction of 
at point Q?
A. A B. B C. C D. D E. E F. F T. Zero