Author Question: The absolute potential at a distance of 2.0 m from a negative point charge is -100. V. What is the ... (Read 95 times)

rl

  • Hero Member
  • *****
  • Posts: 579
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

  • Sr. Member
  • ****
  • Posts: 299
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library