A skydiver who falls at constant velocity is in a state of
A. being in and out of dynamic equilibrium.
B. non-dynamic equilibrium.
C. dynamic equilibrium.
D. none of the above
Answer: C
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A. automobiles B. brassware C. tanned leather D. saris
The apparent westward "drift" of the planets compared to the background stars is called ________
A) retrograde motion B) occultation C) Ptolemaic motion D) precession
In relation to plate tectonics, what is a major overall trend in earthquakes?
a) Earthquakes can occur at all types of plate boundaries. b) Earthquakes are not related to plate tectonics. c) Earthquakes occur only when plates are moving very quickly at certain times of the year. d) Earthquakes are related to volcanoes rather than plate tectonics.
How many rotating updrafts are found within a supercell storm?
A. 1 B. 2 C. 3 D. 4