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

Author Question: An ideal pulley changes the direction of the tension in a string without changing its magnitude. ... (Read 103 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
on: Jul 29, 2018
An ideal pulley changes the direction of the tension in a string without changing its magnitude.
 
  Indicate whether the statement is true or false

Question 2

The energy per unit volume in an EM wave is
 
  A)
 
  equally divided between the electric and magnetic fields.
  B)
 
  almost entirely in the electric field.
  C)
 
  indeterminate.
  D)
 
  almost entirely in the magnetic field.
  E)
 
  zero.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

duke02

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 29, 2018
Answer to Question 1

TRUE

Answer to Question 2

A


futuristic

  • Member
  • Posts: 638
Reply 2 on: Jul 29, 2018
Gracias!

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Excellent

« previous next »
 

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.

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?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Direction of Movement of Extraocular Muscles Direction of Movement of Extraocular Muscles
Posteroanterior direction Posteroanterior direction
A model of anxiety in which stressful events or a changing mental condition can produce unfavorable A model of anxiety in which stressful events or a changing mental condition can produce unfavorable
The mass media not only reflect gender stereotypes but they also play a role in changing them. ... The mass media not only reflect gender stereotypes but they also play a role in changing them. ...
Massage reduces muscle tension and promotes relaxation. Massage reduces muscle tension and promotes relaxation.
Canada’s Arctic is changing dramatically Canada’s Arctic is changing dramatically
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

For a complete list of videos, visit our video library