« previous next »

Author Question: The absolute potential at a distance of 2.0 m from a negative point charge is -100. V. What is the ... (Read 88 times)

rl

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Development of an atherosclerotic plaque that progressively narrows the lumen of an artery to the po Development of an atherosclerotic plaque that progressively narrows the lumen of an artery to the po
Mosaic of Charge-Coupled Devices (CCDs) Mosaic of Charge-Coupled Devices (CCDs)
How many potential risks to the health of the embryo and fetus might a mother encounter in an urban ... How many potential risks to the health of the embryo and fetus might a mother encounter in an urban ...
Phases of the myocardial action potential. Ion movements during each phase are shown. Phases of the myocardial action potential. Ion movements during each phase are shown.
The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium. The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium.
Action potential Action potential
Video: Amniocentesis and CVS Animation

For a complete list of videos, visit our video library