Position time graph of a particle with non uniform velocity is shown below. We can conclude that
Its velocity is constant
Its velocity is decreasing
Its velocity is increasing
Nothing can be said about velocity
As we learned
Position – time graph For object in non-uniform motion -
When object moving along straight Line and covers equal distance in unequal time interval.
- wherein
Figure shows position – time graph for non uniform motion
Velocity = Slope of the graph at a point
From the figure we can say that slope of this graph is decreasing continuously. Hence velocity of this particle is decreasing continuously.
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