A tiny object carrying a charge of +3.00 C and a second tiny ...

[Jkov05]

A tiny object carrying a charge of +3.00 C and a second tiny charged object are initially very far apart.
 
  If it takes of work to bring them to a final configuration in which the +3.00 C object i is at
  x = 1.00 mm, y = 1.00 mm, and the other charged object is at x = 1.00 mm, y = 3.00 mm, find the magnitude of the charge on the second object. (k = 1/40 = 8.99  109 N  m2/C2)
  A) 2.15 C
  B) 4.30 C
  C) 10.74 C
  D) 4.30 nC

Question 2

Which of the following is the most reasonable estimate of the number of characters (typed letters or numbers) in a 609-page book? Assume an average of 194 words per page and a reasonable average number of letters per word.
 
  A) 5  105 char
  B) 5  107 char
  C) 5  106 char
  D) 5  104 char

[Tonny]

Answer to Question 1

A

Answer to Question 2

A

[Jkov05]

TYSM

[amandalm]

Excellent