Engineering 111 - Homework 1

Instructions: Complete this form and click submit. The answers and grades will be posted on the course home page after the due date. If you want to change any of your answers after you click submit, then go back and fill in all of the text boxes again and click submit.  Check your spelling and use complete sentences when appropriate.

Your Name:	e.g. John Doe
Your Campus ID:	e.g. 12345678
Your SFA Email Address:	e.g. doejd@titan.sfasu.edu

Video Tutorial #1: http://www.youtube.com/watch?v=dljwt2PcrTo
Video Tutorial #2: http://www.youtube.com/watch?v=od17ZX90qII

1. What does "engineer" mean? (2 words)
2. What is a trebuchet? (3 words)
3. What type of engineer would design a fusion reactor?
4. What is an aileron?
5. What type of engineer would design an aileron?
6. What type of engineer would design a pacemaker?
7. What type of engineer would design a highway?
8. What type of engineer would design a refrigerator?
9. What type of engineer would be involved in refining raw material into paper?
10. What is the difference between analog and digital signals?

11. What type of engineer would design a robotic assembly line that would fold cardboard boxes?
12. According to equation 1-1, what does the period of a pendulum depend upon? Answer: Gravitational Acceleration and ...
Use Table 1.1 and 1.3 to answer the following three questions.
13. Do lawyers outnumber the total number of engineers?	Yes No
14. What are the two constraints that an engineer must face?
15. What are the top three engineering disciplines?
16. Since 1933, engineering education has been accredited by ABET. What is ABET?
17. Suppose that you work in a cannonball factory that cast cannonballs from molten metal and cools them in air. Based upon the cube-square law, will large or small cannonballs cool faster?
18. Where are the stresses on a dam the greatest?
19. According to Einstein, what is more important than knowledge?
20. Give the three most important steps of the engineering design method (in your opinion).

21. What is the difference between a scientist and an engineer?
22. What are the top three engineering disciplines ranked by salary?
23. Why are the salary rankings and polulation rankings different?

Mathematic Review

1. Find the slope and the y-intercept of the line -4y + 9x = 12. (Express your answers as a real number using 3 significant figures.)	m= b=
2. Find the equation of the line with slope -3 and passing through the point (2; -11). Slope-Intercept Form:
3. Simplify x4x-6x13. (For example, x2 = x^2 )
4. Solve x2 - x - 6 = 0 by factoring.	x=,
5. Solve q2 - 2q -1 = 0 using the quadratic formula.  (Express your answers as a real number using 3 significant figures.)	q=,
6. Solve 2 = log10(y/3).	y=
7. f(x) = x2 + 5x -3.	f(0) = f(2) =
8. Solve v1 + 3v2 = 0 and v1 - v2 = -2 for v1 and v2.	v1= v2=

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