A charge of 8.0 pC is distributed uniformly on a spherical surface (radius = 2.0 cm), and a second charge of ?3.0 pC is distributed uniformly on a concentric spherical surface (radius = 4.0 cm). Determine the magnitude of the electric field 5.0 cm from the center of the two surfaces
a. 14 N/C
b. 11 N/C
c. 22 N/C
d. 18 N/C
e. 40 N/C
d
You might also like to view...
_______________'s laws have been used for almost four centuries as a true description of orbital motion
Fill in the blank(s) with correct word
When a spinning object changes its size, its rotation rate
A. remains the same. B. always decreases. C. always increases. D. increases or decreases, depending on whether it shrinks or expands.
A teaspoonful of white dwarf material on Earth would weigh
A) a few pounds. B) about the same as Mt. Everest. C) a few grams. D) a few tons. E) about the same as the Earth.
Certain types of sunglasses are very effective at diminishing light reflected from surfaces because of
a. interference. b. diffraction. c. specular reflection. d. diffuse reflection. e. polarization.