Warm-Up Exercise 17

Due 10:00 am, Mon, Feb. 13

Physics 123, Winter Semester, 2012

Enter your 3-digit class identification number:

Enter the last 4 digits of your BYU ID:

Did you carefully complete the reading assignment?
yes no

Boy, math-heavy reading for today!
But this discussion is a model for one of those (many different) skills that you need to foster as a physicist (or an engineer, or physical scientist)---the skill of coming up with a guess, trying it out, figuring out why you have to reject it, and then coming up with another guess that is only slightly more complicated, and then continuing the loop until you get something that works.

What was wrong with the first solution that was tried in the reading today (Sec. 3.2)? What assumption did it start with and why is that assumption wrong?

How did the next guess (3.3) build on the first?

Was there anything that you didn't understand in the reading assignment? If so, explain.


Click here to submit answers:

Click here to erase all values: