A(n) _______________is something that is held to be obviously true and needs no further examination
Fill in the blank(s) with correct word
first principle
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Spherical Mirrors: An object that is 4.00 cm tall is placed 9.0 cm in front of a concave mirror having a focal length of 12.0 cm. What is the location of its image in relation to the mirror and what are its characteristics?
A. 54 cm on the other side of mirror, real, 6.00 times bigger B. 10 cm on the other side of mirror, virtual, 10.0 times bigger C. 18 cm on the same side of mirror, virtual, 2.25 times bigger D. 12 cm on the same side of mirror, real, 6.00 times bigger E. 54 cm on the other side of mirror, virtual, 6.00 times bigger
If there are other civilizations at present in the Milky Way Galaxy, which statement is almost undoubtedly true?
A) They are far more technologically advanced than we are. B) They are anatomically much like us, with two arms, two legs, two eyes, and two ears. C) They have social structures that are completely different from our own; for example, different types of "family" units, and so on. D) For fun, they enjoy "buzzing" to Earth and temporarily abducting people, showing a clear preference for people located in less-developed rural areas.
When rock is subjected to compressive force, it may fault. If rocks in the hanging wall are pushed up over rocks in the footwall, it is called a
A) reverse fault. B) strike slip fault. C) normal fault. D) none of the above
Space-time will be flat if
a. the universe is expanding. b. the universe is accelerating. c. the average density of the universe is equal to the critical density. d. the universe is finite. e. the universe is homogeneous and isotropic.