A car’s velocity decreases uniformly from to in

PHYSICS · Subjective · CBSE · Physics · Motion · Motion

Problem

A car’s velocity decreases uniformly from 20 m/s20\,\text{m/s} to 0 m/s0\,\text{m/s} in 5 s5\,\text{s}. What is the sign of the slope of its velocity–time graph during this interval, and what does that sign indicate about the car’s motion?

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