This topic contains a solution. Click here to go to the answer

Author Question: Two transparency sheets are rubbed with tissue paper and then the two transparency sheets are held ... (Read 301 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
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
Answer to Question 1

E

Answer to Question 2

A



clmills979

  • Hero Member
  • *****
  • Posts: 551
Both answers were spot on, thank you once again




 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

For a complete list of videos, visit our video library