
(a)
To graph:For the
(a)

Explanation of Solution
Given information:
The given
Graph:
The vector
For a vector
So, For a vector
The graph for the vector
Figure (1)
For a vector
So, For a vector
The graph for the vector
Figure (2)
Interpretation:Graph for the
(b)
To find:The value of
(b)

Answer to Problem 5CRT
The value of is
Explanation of Solution
Given information:
The given vectors are
Calculation:
The given vectors can be written as
Adding the vectors
Subtracting the vectors
The angle
The magnitude of the vector
Calculate the magnitude of the vector
Calculate the magnitude of the vector
The dot product of two vectors
Substitute the value in equation
The projection of the vectors
Substitute the values in above equation.
Therefore, the value of is
(c)
To find:The work done by
(c)

Answer to Problem 5CRT
The work done by
Explanation of Solution
Given information:
The given vectors are
The particle moves the displacement from
Calculation:
The force vector
Suppose particle moving object from
The work
The dot product of the vector
Calculate the displacement between two points
Calculate the work done.
Therefore, the work done by
Chapter 9 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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