working with vectors Let u = 〈 2 , 4 , − 5 〉 , v = 〈 − 6 , 10 , 2 〉 and w = 〈 4 , − 8 , 8 〉 . 9. Write the vector w as a product of its magnitude and a unit vector in the direction of w .
working with vectors Let u = 〈 2 , 4 , − 5 〉 , v = 〈 − 6 , 10 , 2 〉 and w = 〈 4 , − 8 , 8 〉 . 9. Write the vector w as a product of its magnitude and a unit vector in the direction of w .
Solution Summary: The author calculates the magnitude of the vector w and the unit vector parallel in the direction of v.
working with vectors Let u =
〈
2
,
4
,
−
5
〉
, v =
〈
−
6
,
10
,
2
〉
and w =
〈
4
,
−
8
,
8
〉
.
9. Write the vector w as a product of its magnitude and a unit vector in the direction of w.
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Determine whether the lines
L₁ (t) = (-2,3, −1)t + (0,2,-3) and
L2 p(s) = (2, −3, 1)s + (-10, 17, -8)
intersect. If they do, find the point of intersection.
Convert the line given by the parametric equations y(t)
Enter the symmetric equations in alphabetic order.
(x(t)
= -4+6t
= 3-t
(z(t)
=
5-7t
to symmetric equations.
Find the point at which the line (t) = (4, -5,-4)+t(-2, -1,5) intersects the xy plane.
Chapter 13 Solutions
MyLab Math with Pearson eText -- Standalone Access Card -- for Calculus: Early Transcendentals (3rd Edition)
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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