Find the electric potential \(V(x)\) at points along the symmetry (\(\texttip{x}{x}\)) axis of the disk (a line perpendicular to the disk, passing through its center). Let \(V

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.