Make a spacetime diagram on which the time axis is marked in years and the space axis is marked in light-years. Assume you are floating weightlessly and therefore consider yourself at rest. Assume the direction to the right of you as the positive direction, and that time is measured from the moment when you meet the person. ▼ Part A Draw a worldline for Sebastian, who is moving to your right at 0.5c. + •+ 0 No elements selected Time (yr) L I -10 -8 -6 J -4 I -2 10 8 6 4 2 -2 I 02 W 4 8 I 6 8 1 Space (ly)

Make a spacetime diagram on which the time axis is marked in years and the space axis is marked in light-years. Assume you are floating weightlessly and therefore consider yourself at rest. Assume the direction to the right of you as the positive direction, and that time is measured from the moment when you meet the person. ▼ Part A Draw a worldline for Sebastian, who is moving to your right at 0.5c. + •+ 0 No elements selected Time (yr) L I -10 -8 -6 J -4 I -2 10 8 6 4 2 -2 I 02 W 4 8 I 6 8 1 Space (ly)