Question 1
Name at least one conservation law that prevents each of the following reactions:
a) | π− + p →Σ+ + π° |
b) | p →π+ + π+ + π− |
Question 2
A model for how repulsive forces between two particles can be mediated by a third particle would be
◦
A person on a skateboard pushing against a wall.
◦
two people in two canoes throwing a ball back and forth.
◦
two people in two canoes each pulling on one end of a rope.
◦
two people in two skateboards giving each other a shove.
◦
two people in two skateboards each pulling on one end of a rope.