Person A is at rest with a light clock. Person B is in a car moving to the left (as seen
by Person A with a light clock). Discuss how each person will perceive time. Use
algebra to find the time measured by Person A with respect to how he or she perceives
time measured by Person B.
Does the fact that simultaneity is not an absolute concept also destroy the concept of
If Event A is said to cause Event B,
must occur first. Is it possible that in
some reference frames A will appear to cause B, and in others B will appear to cause