For a uniformly retarded motion, the velocity time graph is:

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Curve

A straight line parallel to time axis

A straight line perpendicular to time axis

A straight line inclined to time axis

answer is D.

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Detailed Solution

Concept: A velocity-time graph for a uniformly retarded motion may never be parallel to the time axis or perpendicular to it because the value of acceleration for this type of motion is always constant but negative. This negative non-zero acceleration is known as retardation.
For a consistently hindered movement, impediment( and thus speeding up) could be a non-zero steady. Since the slant of the velocity-time chart is rising to speeding up, it can be concluded that the slant of the velocity-time chart may be a non-zero steady. Subsequently, the velocity-time chart could be a straight line slanted to the time pivot.
Hence, the correct answer is option 4.

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