In which numbered cells should he place pressure? 2, 4, and 5 1, 4, and 6 2, 3, and 5 1, 3, and 6

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

Arock collection comes from which part of earth?