Pls help

Four equal charger form a row that is Q= -Suc, rave + Q = + syd icm De = Sam The charges are equal ( -Suc) and one Separated by d=Jem. at 5 am to the right of the 4th charge is a Charge = + 5 MC " Calculate the force net force on the positive change using Coulomb's law. cil Approximate the charges as a line of length L- sam, what is the electric field from this line charge at the location of + Q? () Calculate the Columb force on + Qusing the result from (lij and compare with