The absolute potential at a distance of 2.0 m from a negative ...

[rl]

The absolute potential at a distance of 2.0 m from a negative point charge is -100. V. What is the absolute potential 4.0 m away from the same point charge?
 
  A) -0.40 kV
  B) -50. V
  C) -0.50 kV
  D) -25. V
  E) -0.20 kV

Question 2

Ice has a latent heat of fusion of 80 kcal/kg. How much heat is required to melt 200 g of ice?
 
  A) 400 J
  B) 160 J
  C) 67 kJ
  D) 32 kJ
  E) 16 kJ

[carojassy25]

Answer to Question 1

B

Answer to Question 2

C