Sun July 03, 2011 By:

what is velocity time graph in simple words and how to describe it??

Expert Reply
Sun July 03, 2011

In velocity time graphs, velocity is the dependent variable and hence plotted along y axis. Time being an independent variable is plotted along x axis.

Velocity-time graphs are supposed to be more generalized graphs, in comparison to distance-time graphs. Depending upon the velocity of the body we get different types of velocity-time graphs as described here:

  1. If the velocity of a body remains constant, the velocity-time graph is a horizontal line parallel to the time axis.
  2. If the velocity of the body changes uniformly at a constant rate, the velocity-time graph is a straight line
  3. If the velocity of the object changes non-uniformly, the velocity-time graph is a curve not a straight line.
  4. The area enclosed by the velocity-time graph and the time axis represents the displacement.
  5. The slope of the velocity-time graph gives the acceleration.

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