If you draw a spacetime diagram,the worldline of an object that is stationary in your reference frame is
A)vertical.
B)horizontal.
C)slanted.
D)curved.
E)a circle.

Question

Quizplus · Accepted Answer

A worldline represents the path of an object in spacetime. If an object is stationary in a particular reference frame, it means that it remains at the same position in space at all points in time. Therefore, its worldline would be a straight line perpendicular to the time axis, i.e., a vertical line.

If You Draw a Spacetime Diagram,the Worldline of an Object