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
Answer: A
You might also like to view...
Two isotopes have the same mass number
a. True b. False Indicate whether the statement is true or false
Electrons in glass have a natural frequency in the
A) infrared region of the spectrum. B) visible region of the spectrum. C) ultraviolet region of the spectrum.
Different types of active galaxies are caused by different orientations of the central black hole's _______________
Fill in the blank(s) with correct word
What is Hawking radiation?
A) a hypothesized way for black holes to gradually shrink in mass B) a type of high-energy radiation that comes from inside a black hole's event horizon C) a type of radiation coming from objects supported by degeneracy pressure D) a type of radiation that we have detected so far only with infrared telescopes in space