Calculate the value of two equal charges if they repel one another with a force of 10 n having 10 m distance apart in a vacuum. what would be the size of the charges if they were situated in an insulting liquid whose permittivity was ten times that of a vacuum.

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

Which atomic model was proposed as a result of j. j. thomson’s work?

What is an electric motor? explain its operation. 2-3 sentence