Author Question: The absolute potential at a distance of 2.0 m from a negative point charge is -100. V. What is the ... (Read 43 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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

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.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

For a complete list of videos, visit our video library