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
Physics & Space Science
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Physics & Space Science
An open freight car rolls friction free along a horizontal track in a pouring rain that falls vertically. As water accumulates in the car, the car's speed
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Physics & Space Science
What type of scan is used to find the areas of the body where glucose metabolism is most intense?
A) PET scans B) CT scans C) MRI D) radioactive iodine tracers
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How many electrons are in chromium's (atomic number 24) next to outer shell (n = 3)?
a. 1 b. 14 c. 12 d. 13 e. 8
Physics & Space Science