7 - Copy (2)

# 7 - Copy (2) - Version 021/AABBB inclasstest 01...

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

Version 021/AABBB – inclasstest 01 – Turner – (56705) 1 This print-out should have 3 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 (part 1 oF 2) 10.0 points Three charges are arranged as shown in the fgure. x y 3 . 3 nC 3 . 5 m 0 . 6 nC 1 . 2 nC 2 m ±ind the magnitude oF the electro- static Force on the charge at the origin. The Coulomb cosnstant is 8 . 98755 × 10 9 N · m 2 / C 2 . 1. 2.09217 2. 1.8867 3. 2.17427 4. 1.94989 5. 2.06574 6. 2.20897 7. 2.02736 8. 1.92891 9. 1.90706 10. 1.99886 Correct answer: 2 . 17427 nN. Explanation: Let : ( x 0 , y 0 ) = (0 m , 0 m) , q 0 = 0 . 6 nC , ( x 1 , y 1 ) = (3 . 5 m , 0 m) , q 1 = 3 . 3 nC , ( x 2 , y 2 ) = (0 m , 2 m) , and q 2 = 1 . 2 nC . x y q 1 x 1 q 0 q 2 y 2 F θ The Force v F 10 (in the h 10 direction, ˆ ı ) be- tween charge 6 × 10 10 C and 3 . 3 × 10 9 C is v F 10 = + k e q 0 q 1 x 2 1 ( ˆ ı ) = ( 8 . 98755 × 10 9 N · m 2

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 / 2

7 - Copy (2) - Version 021/AABBB inclasstest 01...

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

View Full Document
Ask a homework question - tutors are online