Answers: 1
![\int_{0}^{0.2}v(t)\ dt=\Delta x[\frac{1}{2}\times v(0)+v(0.1)+\frac{1}{2}\times v(0.2)]](/tpl/images/0395/6975/69ec5.png)
![\int_{0}^{0.2}v(t)\ dt=0.1 [\frac{1}{2}\times 0+1.0471+\frac{1}{2}\times 1.0965]](/tpl/images/0395/6975/59036.png)
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