A drop of water dripping from the faucet in your kitchen is electrically neutral. A charged plastic hair comb can attract the drips and drops by the process of ________.
Fill in the blank(s) with the appropriate word(s).
polarization
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If the Universe is closed and finite, then
a. the Universe will expand forever. b. the Universe has a center. c. the Universe has an edge. d. None of the other choices are correct.
How much energy would be released if 2.0 kg of material was lost during a reaction? (c = 3.0 × 108 m/s)
A) 4.7 × 10-8 J B) 1.5 × 1016 J C) 6.0 × 108 J D) 1.8 × 1017 J
In the two-slit experiment, monochromatic light of wavelength 600 nm passes through a pair of slits separated by 2.20 × 10-5 m. What is the angle corresponding to the first bright fringe?
A) 1.56° B) 2.22° C) 3.12° D) 4.70° E) 6.24°
The earliest human culture, involving villages and a sense of history, developed
A) about 10,000 years ago. B) about one billion years ago. C) a few million years ago. D) 100,000 to 200,000 years ago. E) about 1000 years ago.