A line source of strength 2 m2/s is superposed with a velocity of 8 m/s, producing a long, slender body that resembles the one shown. The thickness h of the body is nearest:
(A) 15 cm
(B) 20 cm
(C) 25 cm
(D) 30 cm
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For stars on the main sequence, the luminosity can be estimated by the formula L = ____________________
Fill in the blank(s) with correct word
Potential Energy: A small 4.0-µC charge and a small 1.5-µC charge are initially very far apart. How much work does it take to bring them to a final configuration in which the 4.0-µC charge is at the point x = 1.0 mm, y = 1.0 mm, and the 1.5-µC charge is at the point x = 1.0 mm, y = 3.0 mm? (k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A. 27 J B. 13.5 kJ C. 54 J D. 13.5 J
In a Young's double-slit experiment, by how many wavelengths do the paths from the slits to the screen differ for the m = 3 and the m = 8 minima?
a. 10 b. 2.5 c. 5 d. Some other value than those given since this is for destructive interference.
The San Andreas Fault is a transform fault separating the
A) westward moving North American Plate from the eastward moving Pacific ridge. B) westward moving North American Plate from the southwest moving Pacific Plate. C) Farallon Plate from the North American Plate. D) eastern part of California from the Gulf of California.