Precalculus

Chapter 6: Additional Topics in Trigonometry

Section Quiz 6.7

1. Identify the vector that is orthogonal to 6m6_7q1.gif. [Hint]

2. Find the dot product of the given vectors.
6m6_7q2.gif and 6m6_7q2_1.gif [Hint]

3. A man pulls a concrete block along level ground by exerting a force of 50 pounds on a rope that makes an angle of 6m6_7q3.gif with the ground. How much work is done pulling the block 70 feet? [Hint]

4. Find the angle between the two vectors.
6m6_7q4.gif [Hint]

5. Find the vector projection of v onto w for the given vectors.
6m6_7q5.gif [Hint]

Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
 




Copyright © 2003 by Prentice Hall, Inc. A Pearson Company Legal Notice