Have a uniform motion question

** a metra commuter
train leaves union station in chicago at
12: 00 noon. two hours later an amtrak
train leaves on the same track traveling
at an average speed that is 50 mph faster than the metra train. at 3pm the amtrak train is 10 miles behind the commuter
train. how fast is each
going?

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