Two protons are separated from a single electron by a distance of 2*10^-5 m. Find the electrostatic force between them. Is this force attractive or repulsive? Show all work.

a and b sometimes have a positive value

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.

answer///isobars;