State uses of velocity-time graph for a moving body.
Uses of velocity-time graph:
(i) It enables us to know whether the motion is uniform or non-uniform. Graph for uniform motion is parallel to time axis. Graph of any other shape shows non-uniform motion.
(ii) The slope of velocity-time graph gives the value of acceleration.
(iii) The area enclosed by the velocity-time graph gives the value of distance travelled by the body in that time interval.
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