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Question Number 70798 by jagannath19 last updated on 08/Oct/19

Commented by jagannath19 last updated on 08/Oct/19

$$withexplanationpleasesir$$

Answered by mind is power last updated on 08/Oct/19

$$v=\frac{dx}{dt}$$$$letsfindequagionofv\left(x\right)$$$$v\left(x\right)=ax+bline$$$$a=\frac{8-0}{0-4}=-2$$$$v\left(0\right)=b=8$$$$\Rightarrow v\left(x\right)=-2x+8$$$$\Rightarrow \frac{dx}{dt}=-2x+8$$$$a=\frac{dv}{dt}=\frac{d}{dt}(-2x+8)=-2\frac{dx}{dt}=-2v$$$$\Rightarrow a\left(x\right)=-2v\left(x\right)$$$$a\left(x\right)=-2(-2x+8)=4x-16$$$$a\left(0\right)=-16a\left(4\right)=0\Rightarrow draw\left(2\right)answer$$

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