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The position time graph for a particle m...

The position time graph for a particle moving along X axis has been shown in the fig. At which of the indicated points the particle has
(i) negative velocity but acceleration in positive X direction.
(ii) positive velocity but acceleration in negative X direction.
(iii) received a sharp blow (a large force for negligible interval of time)?

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The correct Answer is:
(a) E, (b) D,G (c) B,C
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