Recent content by Lynden L

Homework Statement If one proton is located at x= 2 cm and another at x=4 cm. What is the electric field at x= 3cm? Homework Equations I believe it has to do with electromagnetic fields, now what actually happens at x= 3cm? The Attempt at a Solution

Homework Statement A wave with the amplitude 4 cm travels along a rope that is fixed to a wall. The wave reflects from the wall. What is the amplitude of the reflected wave? Homework Equations I know it's something with light, could you explian in more detail? The Attempt at a Solution