Предмет: Физика, автор: tyftolog

в электростатическом поле , вектор напряженности которого направлен вертикально вверх, равномерно движется пылинка массой 10^-7 кг. Чему равен заряд пылинки, если напряженность поля 100В/м?

Ответы

Автор ответа: sokolovvovikn

0

Для равномерного движения сила тяжести(m*g) равна электростатической силы со стороны поля(q*E)
m*g=q*E
q=m*g/E=10^-7*10/100=10^-8 Кл

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