Vertical lines on postion vs. time graphs.

  • Thread starter aclark609
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  • #1
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I understand how position vs. time diagrams can give velocity. If the line is flat then the velocity is zero (the particle is still), and all the other basic things I need to know, but what if the line was vertical? The slope would be undefined; therefore, velocity would be undefined. In other words, could a particle jump from one position to another in no time? Perhaps the speed changes too sharply for the units on the graph?
 

Answers and Replies

  • #2
4
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That can't be possible in special relativity which says the speed cannot exceed speed of light c, irrelevant to the unit of graph
 
  • #3
70
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no graph as such exist (until you see it 100 years later in some inter nuclear motion of those subatomic particles:TO BE DISCOVERED)
 
  • #4
35
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Thanks guys. One more thing I'm kind of confused about. If an object is slowing down in the negative x direction, then I would assume the acceleration would be positive, correct? I assume this because an object slowing down in the positive direction would have a negative acceleration.
 
  • #5
35
1
Then again, If deltaV/deltaT = a, then the answer would be just the opposite.
 
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