Suppose, in Fig. 26.4a, that the observer was 600 m to the left of event B, and

Question:

Suppose, in Fig. 26.4a, that the observer was 600 m to the left of event B, and A and B were separated by 900 m. She observes that the light flash from event B arrives exactly after that from event A. Determine whether these two events are simultaneous in this reference frame.