This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Electric field lines A) are closer together the stronger the field. B) start on negative charges ... (Read 521 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
on: Jul 27, 2018
Electric field lines
 
  A) are closer together the stronger the field.
  B) start on negative charges and end on positive charges.
  C) were invented by Isaac Newton.
  D) are perpendicular to the lines of force.
  E) were discovered by Franklin.

Question 2

A narrow tube is placed vertically in a pan of water, and the water rises in the tube to 4 cm above the level of the pan. The surface tension in the liquid is lowered to one-half its original value by the addition of some soap.
 
  What happens to the height of the liquid column in the tube? A) It drops to 2 cm.
  B) It drops to 1 cm.
  C) It remains at the same height.
  D) It drops or rises, but the height cannot be calculated from the information given.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aadams68

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


mpobi80

  • Member
  • Posts: 519
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

The human body produces and destroys 15 million blood cells every second.

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.

Cell-wall structure of Gram-positive and Gram-negative bacteria. Cell-wall structure of Gram-positive and Gram-negative bacteria.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i
IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br
How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h? How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h?
Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies. Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies.
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library