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2) Make a spacetime diagram and draw a worldline for each of the following situations. a)...

2) Make a spacetime diagram and draw a worldline for each of the following situations.
a) A person sitting still in a chair
b) A person driving by at a constant velocity of 50 km/r.
c) A person accelerating from rest to a speed of 100 km/hr.
d) Make a spacetime diagram on which the time axis is marked in seconds and the space-axis is marked in light-seconds. Draw a worldline with a slope of 30 degrees (from the horizontal). At what speed would an object have to be traveling to have this worldline. Can any object have this worldline?

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