Which of the following is ordered correctly from smallest to largest?
a. arc minute, arc second, degree b. degree, arc minute, arc second
c. arc minute, degree, arc second d. arc second, arc minute, degree
d
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Plane Mirrors: Which one of the following sets of characteristics describes the image formed by a plane mirror?
A. real and inverted B. real and upright C. virtual and upright D. virtual and inverted E. virtual and larger than the object
Halley's comet is named after the English scientist Edmund Halley (1656-1742 ) because
A) he was first person to see it when it passed near Earth in 1682. B) the discoverers named it for him in honor of his financial support. C) he was the most famous astronomer alive in England during its appearance in 1758. D) he calculated its orbit and predicted the year in which it would next be seen.
Rank the five terrestrial worlds in order of size from smallest to largest
A) Mercury, Venus, Earth, Moon, Mars B) Mercury, Moon, Venus, Earth, Mars C) Moon, Mercury, Venus, Earth, Mars D) Moon, Mercury, Mars, Venus, Earth E) Mercury, Moon, Mars, Earth, Venus
Two cars crash head on. At any given time during the crash, the magnitudes of the collision forces exerted on each car are exactly equal. This is an example of Newton's
a. first law. b. second law. c. third law. d. no law.