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Motion — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMotion2 Marks
Question
Given figures represent the motion of two objects $P$ and $Q.$ Which of the objects has positive acceleration and which one has negative acceleration?
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Answer

Graph $P$ is having negative acceleration as the time is increasing, velocity is decreasing and finally comes to rest which shows retardation whereas Graph $Q$ represents positive acceleration as the time is increasing velocity is also increasing.

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