Hello, may I get a step-by-step explanation for each? Thank you!

Two spherical objects are separated by a distance of 1.05 x 10'3 m.The objects are initially electrically neutral and are very small compared to the distance between them. Each object acquires the same negative charge due to the addition of electrons. As a result, each object experiences an electrostatic force that has a magnitude of 3.53 x 10'20 N. How many electrons did it take to produce the charge on one of the objects? 1| An electric eld of 210000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of -6.5 M: at this spot? Number n Units I '5 A small object has a mass of 3.0 x 10"kg and a charge of -43 /C. It is placed at a certain spot where there is an electric field. When released, the object experiences an acceleration of 2.6 x 10 m/s in the direction of the +x axis. Determine the electric field, including sign, relative to the +x axis. Number i Units