An electron is located on the x axis at x0 = -9.31×10-6 m. find the magnitude and direction of the electric field at x = 9.39 ×10-6 m on the x axis due to this electron. what is the magnitude in n/c? is the direction positive x direction, negative x direction, or neither.

Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

Which type of wave can travel without a medium

What is the most useful equation for electric power?