Consider the axis and unit vector shown in Figure 2.18. Let the vector (vec{r}) have its tail
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Consider the axis and unit vector shown in Figure 2.18. Let the vector \(\vec{r}\) have its tail at the origin and its tip at my feet.
(a) What is the \(x\) component of that vector?
(b) Write the vector \(\vec{r}\) in terms of its \(x\) component and the unit vector.
(c) What does the vector \(\vec{r}\) represent?
(d) Does \(r_{x}=+2.5 \mathrm{~m}\) unambiguously determine a vector in Figure 2.18? If so, draw the vector, and state what it might represent.
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