Instructions: On occasion, the notation 
= [A, ?] will be a shorthand notation for 
.
In what quadrant are both the sine and tangent negative?
A. 1st
B. 2nd
C. 3rd
D. 4th
E. This cannot happen.
Answer: D
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In the context of life in the universe, which of the following discoveries of astronomy suggests that enormous numbers of habitable worlds may exist in the universe?
A) the laws of physics are the same everywhere B) the universe is very old C) the universe is very large D) the building blocks of life are common
A uniform electric field of 1.00 N/C is set up by a uniform distribution of charge in the xy plane. What is the electric field inside a metal ball placed 0.500 m above the xy plane?
1.1.00 N/C 2.21.00 N/C 3.0 4.0.250 N/C 5.varies depending on the position inside the ball
The ____________ planets have larger radii than the ____________ planets
Fill in the blank(s) with correct word
Diffraction takes place:
a. on highly reflective surfaces. b. on rough surfaces. c. around the edges of barriers. d. for waves moving through empty space. e. in the center of shadows.