A particle moves along a line with velocity meters per second for

MATHEMATICS · Subjective · A Level · Mathematics · Kinematics · Kinematics

Problem

A particle moves along a line with velocity v(t)=5−2tv(t)=5-2t meters per second for 0≤t≤30\le t\le3. Describe the sign of the particle’s acceleration on this interval and explain what this indicates about how the velocity changes over time.

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