Exercise - [b]Lifting a glass bead[/b]: A small plastic sphere charged -10nC is held 0.1m above a small glass bead at rest on a table. The bead has a mass of 15 mg and a charge of +10 nC. Will the glass bead "leap up" to the plastic sphere?
Move the slider [b]r [/b]to the left and to the right. When the glass bead is "leap up" to the plastic sphere?