{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

nagle_phys2020_fa07_lecture6

# nagle_phys2020_fa07_lecture6 - Class Information 1 Reading...

This preview shows pages 1–2. Sign up to view the full content.

1 16 Class Information: 1. Reading for last week (sections 16.7-16.9 + 16.11-16.12) 2. Reading for this week (sections 17.1-17.7) * These sections will be posted on the web page each week. 3. CAPA #3 is now available – sorry for the delay. Problem #7 in the printing had an error (no KE value), so get the corrected problem online). 4. Advanced reminder: Exam 1 (Tues. Sept. 25 at 7:30 pm) * Any issues need to be discussed with me before Sept. 18 5. Clicker scores start counting today ! Register your iClicker. (For Example) 17 Clicker Question -Q +2Q -Q +Q P s s s s What is the E-field at point P? A) |E| = 2kQ / s 2 B) |E| = sqrt(2) kQ / s 2 C) |E| = kQ / ( sqrt(2) s) 2 D) zero E) none of the above 18 -Q +Q -Q +Q P s s s s +Q 19 +Q P s s s s For the E-field in the middle, this is exactly the same as the previous case since the other 4 charges E- field cancel. |E| = kQ/r 2 r 2 =(s/2) 2 + (s/2) 2 = s 2 /2 |E| = 2kQ/s 2 s/2 s/2 r 20 In the previous question, what is the acceleration of an electron if placed at point P? We need some numbers.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 3

nagle_phys2020_fa07_lecture6 - Class Information 1 Reading...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online