A red ball moves horizontally in a 30 m long tube. The position of the ball in meters over time is shown below. Position
(meters)
15+
12+
9+
6+
3+
Ben
Time
(seconds)
4
8
12
16
20
24
-3+
-6+
-9+
-12+
-15+

Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.