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  4. The displacement time graph of a moving particle is shown below. <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-k56xlito4dz13qq7.jpg /> The instantaneous velocity of the particle is negative at the point

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Q. The displacement time graph of a moving particle is shown below.
Question
The instantaneous velocity of the particle is negative at the point

NTA AbhyasNTA Abhyas 2022

Solution:

At $E,$ the slope of the curve is negative. For a displacement-time graph, the slope at a point represents the instantaneous velocity. So, at $E,$ instantaneous velocity is $- \text{v} \text{e}$ as the slope is $- \text{v} \text{e}$ .