Physics

Physics

Problem

A particle moves along a straight line with velocity v(t)={2t−40≤t≤3−t+53<t≤7v(t)=\begin{cases} 2t-4 & 0\le t\le 3 \\ -t+5 & 3<t\le 7 \end{cases}. Indicate the time interval(s) on 0≤t≤70\le t\le 7 during which the particle is moving to the left.

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