A particle with a charge of 4.0 C has a mass of 5.0 10-3 kg. ...

[crazycityslicker]

A particle with a charge of 4.0 C has a mass of 5.0  10-3 kg. What electric field directed upward will exactly balance the weight of the particle?
 
  A) 4.1  102 N/C
  B) 8.2  102 N/C
  C) 4.4  104 N/C
  D) 1.2  104 N/C
  E) 5.1  106 N/C

Question 2

A 5.0 C charge is placed at the 0 cm mark of a meter stick and a -4.0 C charge is placed at the 50 cm mark. At what point on a line joining the two charges is the electric field zero?
 
  A) 1.4 m from the 0 cm mark
  B) 2.5 m from the 0 cm mark
  C) 2.9 m from the 0 cm mark
  D) 3.3 m from the 0 cm mark
  E) 4.7 m from the 0 cm mark

[kalskdjl1212]

Answer to Question 1

D

Answer to Question 2

E

[crazycityslicker]

Excellent

[phuda]

Gracias!