Chapter 9: Problem 12
Determine the location of a point \((x, y, z)\) that satisfies the condition(s). \(x<0\)
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Chapter 9: Problem 12
Determine the location of a point \((x, y, z)\) that satisfies the condition(s). \(x<0\)
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In Exercises \(51-56,\) find the vector \(z,\) given that \(\mathbf{u}=\langle 1,2,3\rangle\) \(\mathbf{v}=\langle 2,2,-1\rangle,\) and \(\mathbf{w}=\langle 4,0,-4\rangle\) \(\mathbf{z}=\mathbf{u}-\mathbf{v}\)
An object is pulled 10 feet across a floor, using a force of 85 pounds. The direction of the force is \(60^{\circ}\) above the horizontal. Find the work done.
In Exercises 71 and \(72,\) determine the values of \(c\) that satisfy the equation. Let \(\mathbf{u}=\mathbf{i}+2 \mathbf{j}+\mathbf{3 k}\) and \(\mathbf{v}=\mathbf{2} \mathbf{i}+\mathbf{2} \mathbf{j}-\mathbf{k}\) \(\|c \mathbf{v}\|=5\)
The initial and terminal points of a vector \(v\) are given. (a) Sketch the directed line segment, (b) find the component form of the vector, and (c) sketch the vector with its initial point at the origin. Initial point: (2,-1,-2) Terminal point: (-4,3,7)
Find the angle \(\theta\) between the vectors. $$ \begin{array}{l} \mathbf{u}=\langle 1,1,1\rangle \\ \mathbf{v}=\langle 2,1,-1\rangle \end{array} $$
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