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Solution 8.6b

From Mechanics

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(New page: Here we use <math>\mathbf{r}=\mathbf{u}t+\frac{1}{2}\mathbf{a}{{t}^{\ 2}}+{{\mathbf{r}}_{0}} </math> According to the text <math>\mathbf{u}=\mathbf{i}+2\mathbf{j}</math> We assume th...)
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Revision as of 19:31, 14 April 2010

Here we use

r=ut+21at 2+r0

According to the text

u=i+2j


We assume the starting point is the origin so that r0=0.

At t=10+40=50 we obtain



The distance is the magnitude of this vector

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