The student decides to use her plastic rod which takes a negative charge to decide which of her three other rods takes the biggest positive charge

What happens to the electrostatic force between two charged particles if the distance between them is doubled?

A6.5-g iron meteor hits the earth at a speed of 295 m/s. if its kinetic energy is entirely converted to heat in the meteor, by how much will its temperature rise? the specific heat of iron is 113 cal/kg ∙ c°, and 1 cal = 4.186 j. a) 57,100 c° b)384 c° c)0.147 c° d)92.0 c°

What is the magnitude of the electric field at a point 0.0055 m from a 0.0025 c charge?