Two Events Occur Simultaneously on the X Axis of Reference

question 48

Multiple Choice

Two events occur simultaneously on the x axis of reference frame S, one at x = -a and the other at x = +a.According to an observer moving in the positive x direction:

• A)the event at x = +a occurs first
• B)the event at x = -a occurs first
• C)either event might occur first, depending on the value of a and the observer's speed
• D)the events are simultaneous
• E)none of the above