Asked by Elisa
                There is a parabolic position vs time graph.
Which of these is true:
The object moves
1. in a parabolic trajectory.
2. along a straight line.
3. along an arc of a circle
wouldn't 1 and 3 produce the same/similar position graph?
            
        Which of these is true:
The object moves
1. in a parabolic trajectory.
2. along a straight line.
3. along an arc of a circle
wouldn't 1 and 3 produce the same/similar position graph?
Answers
                    Answered by
            drwls
            
    No, #1 and #3 would be different trajectories. Note that they are asking about position vs. time, not about the shape of the trajectory
    
                    Answered by
            Elisa
            
    So in which one would the graph of position vs time be a parabola?
If the object moves along a straight line, then wouldn't the position graph just be an increasing line with with positive slope?
    
If the object moves along a straight line, then wouldn't the position graph just be an increasing line with with positive slope?
                    Answered by
            drwls
            
    If position vs time is a parabolca, the object is accelerating at a constant rate along a straight line. 
    
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