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

Author Question: An ideal pulley changes the direction of the tension in a string without changing its magnitude. ... (Read 101 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
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
Answer to Question 1

TRUE

Answer to Question 2

A




futuristic

  • Member
  • Posts: 638
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library