Coulomb force between two charged particles on the same axis (YF 21.14)

Видео Coulomb force between two charged particles on the same axis (YF 21.14)

A negative charge of -0.55μC exerts an upward 0.200 N force on an unknown charge 0.300 m directly below it. (a) What is the unknown charge? (b) What are the magnitude and direction of the force that the unknown charge exerts on the -0.55μC ch..., видео от 2024-04-21 загрузил на rutube Кудо-соревнования...