The displacement of a particle as a function | vedclass

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Question

(A) The slope of the displacement-time graph represents the velocity of the particle $(v = \frac{dx}{dt})$.Initially,the slope is positive and large,i

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The particle starts with a certain velocity,but the motion is retarded and finally the particle stops.

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(A) The slope of the displacement-time graph represents the velocity of the particle $(v = \frac{dx}{dt})$.Initially,the slope is positive and large,indicating that the particle starts with a certain velocity.As time increases,the slope of the curve continuously decreases and eventually becomes zero (the tangent becomes horizontal).$A$ decreasing slope implies that the velocity is decreasing,which means the motion is retarded.Since the final slope is zero,the particle eventually comes to rest.

The displacement of a particle as a function of time is shown in the figure. It indicates:

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