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## Homework 5

General Physics I, Fall '10, Homework 5 (UP Chapter 4)

Please write legible solutions in which you not only show your work, but explain (in words and sentences) what you are doing and why.

1. Problem 5 ("components")

2. Problem 10 ("rock faults")

3. Problem 17 ("two vectors")

4. Problem 27 ("prove by components" -- note that here you're deriving the so-called "law of cosines")

5. Think about the equation "F = ma" where "F" and "a" are vectors. What does this equation mean, exactly? Answer once in terms of magnitude and direction, then again in terms of vector components.

Please write legible solutions in which you not only show your work, but explain (in words and sentences) what you are doing and why.

1. Problem 5 ("components")

2. Problem 10 ("rock faults")

3. Problem 17 ("two vectors")

4. Problem 27 ("prove by components" -- note that here you're deriving the so-called "law of cosines")

5. Think about the equation "F = ma" where "F" and "a" are vectors. What does this equation mean, exactly? Answer once in terms of magnitude and direction, then again in terms of vector components.

Last modified: Monday, December 19, 2011, 9:18 AM