Of the earliest known planets, which exhibits retrograde motion?
A. Mars and Mercury
B. only Mars
C. Mercury, Venus, and Mars
D. All of these choices are correct.
E. None of these choices is correct.
Answer: D
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If the 5th-order fringe in Young's double-slit experiment occurs at an angle of 38.7°, what is the relationship between the wavelength ? and the distance between slits, d?
a. d = 3.12? b. d = 40.00? c. d = 8.00? d. d = 10.30? e. d = 0.12?
Except for helium, the outer subshell of a noble gas has what electron configuration?
A. s2p4 B. s2p6 C. d2s2 D. d6p2 E. s1p4
Angular and Linear Quantities: A cylinder of radius 8.0 cm rolls 20 cm in 5.0 s without slipping. Through how many degrees does the cylinder turn during this time?
Fill in the blank(s) with the appropriate word(s).
Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart
Half way between the two plates the electric field has magnitude E. If the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates? A) 4E B) 2E C) E D) 0 E) E/2