Question: if two events are separated by a spatial interval show...
If two events are separated by a spatial interval show that :
1. There is an inertial frame in which both are simultaneous,
2. In no inertial frame they occur in the same spatial point.
If two events are separating by a time interval, show that
1. There is a frame in which they occur at the same spatial point,
2. There is no inertial frame in which they are simultaneous.
BE SPECIFIC STEP BY STEP PLEASE