A ferry is crossing a river. If the ferry is heading north with a speed of 2.5 m / s in relation to the water and the speed of the river is 3.0 m / s to the east, what will the speed of the ship be in relation to the Earth?

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