3. A ball undergoes a displacement of 20 m from its initial position shown in the diagram. What is the new position?
40
40
20 0
Position (m)
20 m
0 m
40 m
10m

The answer is b.the gaseous state is electrically positive, while the plasma state is electrically negative. 

For me a person with a phd and who knows what there talking about.i know the chances of a radiation leak is low but if it does the area within a 96.3 mile radius would be unusable because of contamination