Two point-like charged objects are released at rest in otherwise empty space. as time goes on, the magnitude of the electrostatic force exerted on each of the objects decreases. which of the following must be true?

The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a.is a south pole because the field hnes spread out from this end b.a north pole because the field lines spread out from this end c.a nouth pole because the field lines enter the magnet at this end d.is a north pole because the field lines enter the magnet at this end