A +5.0-nC charge is at the point (0.00 m, 0.00 m) and a -2.0-nC ...

[jeatrice]

A +5.0-nC charge is at the point (0.00 m, 0.00 m) and a -2.0-nC charge is at (3.0 m, 0.00 m). What work is required to bring a 1.0-nC charge from very far away to point (0.00 m, 4.0 m)? (k = 1/40 = 9.0  109 N  m2/C2)
 
  A) 15 nJ
  B) 3.6 nJ
  C) 11 nJ
  D) 7.7 nJ

Question 2

If we add 700 J of heat to 12 moles of an ideal monatomic gas at constant volume, what will be the change in temperature of the gas? (R = 8.31 J/mol  K)
 
  A) 4.7 K
  B) 5.2 K
  C) 5.8 J
  D) 6.8 K
  E) 9.3 K

[alvinum]

Answer to Question 1

D

Answer to Question 2

A