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The displacement of a particle as a function of time is shown in the figure. The figure shows that

 

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a
The particle starts with certain velocity but the motion is retarded displacement and finally the particle stops
b
The velocity of the particle is constant throughout
c
The acceleration of the particle is constant throughout
d
The particle starts with constant velocity, then motion is accelerated and finally the particle moves with another constant velocity        

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detailed solution

Correct option is A

The slope of graph is Negative. So it is moving with decreasing velocity. Its acceleration is negative. So it produces retarded displacements and finally stops.

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