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

Author Question: Two transparency sheets are rubbed with tissue paper and then the two transparency sheets are held ... (Read 221 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
on: Jul 29, 2018
Two transparency sheets are rubbed with tissue paper and then the two transparency sheets are held up near each other. This experiment demonstrates that
 
  A) similarly-charged objects attract each other.
  B) similarly-charged objects exert magnetic forces on each other.
  C) differently-charged objects attract each other.
  D) differently-charged objects repel each other.
  E) similarly-charged objects repel each other.

Question 2

Calculate the light intensity 1.51 m from a light bulb that emits 100 W of visible light, assuming that the light radiates uniformly in all directions.
 
  A) 3.49 W/m2
  B) 4.01 W/m2
  C) 43.9 W/m2
  D) 50.5 W/m2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Hdosisshsbshs

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


clmills979

  • Hero Member
  • *****
  • Posts: 551
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


Hdosisshsbshs

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Various Tissue Layers Various Tissue Layers
TEM of placental transfer tissue in the liverwort genus Monoclea. TEM of placental transfer tissue in the liverwort genus Monoclea.
Triangle plot showing gene expression related to xylem, phloem, and nonvascular tissue in Arabidopsi Triangle plot showing gene expression related to xylem, phloem, and nonvascular tissue in Arabidopsi
Abnormal Growth in Mice Mammary Tissue Abnormal Growth in Mice Mammary Tissue
Microscopic image of prostate cancer. The tissue on the right is somewhat normal; the tissue on the ... Microscopic image of prostate cancer. The tissue on the right is somewhat normal; the tissue on the ...
Epithelial vs. Connective Tissue Epithelial vs. Connective Tissue
Video: Hormonal feedback loop components

For a complete list of videos, visit our video library