A large, metallic, spherical shell has no net charge. It is supported on an insulating stand and has a small hole at the top. A small tack with charge Q is lowered on a silk thread through the hole into the interior of the shell. What is the charge on the outer surface of the shell?
1.Q
2.Q/2
3.0
4.-Q/2
5.-Q
1
Physics & Space Science
You might also like to view...
Two identical blocks fall a distance H. One falls directly down; the other slides down a frictionless incline. Which has the larger speed at the bottom?
How might light be captured?
A: Fish net. B: Hubble Space Telescope. C: Hobby-Eberly Microscope. D: Hester gyroscope. E: Nuclear magnetic resonance spectograph.
Physics & Space Science
A ceramic mixture
Physics & Space Science
Carbonaceous chondrites are meteorites that have
a. never been melted since formation from solid particles in the solar nebula. b. totally melted after formation. c. been made from hydrogen and helium. d. never entered Earth's atmosphere. e. entered Earth's atmosphere but will be destroyed before reaching the ground.
Physics & Space Science