Author Question: The magnitude of the magnetic field at point P for a certain electromagnetic wave is 2.12 T. What is ... (Read 163 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
The magnitude of the magnetic field at point P for a certain electromagnetic wave is 2.12 T. What is the magnitude of the electric field for that wave at P? (c = 3.0  108 m/s)
 
  A) 745 N/C B) 636 N/C C) 5.23 N/C D) 7.45 N/C E) 6.36 N/C

Question 2

With respect to the earth, object 1 is moving at speed 0.90 c to the right. Object 2 is moving in the same direction at speed 0.70 c with respect to object 1. How fast is object 2 moving with respect to the earth?
 
  A)
 
  0.64 c
  B)
 
  1.6 c
  C)
 
  0.16 c
  D)
 
  0.80 c
  E)
 
  0.98 c


Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

B

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

For a complete list of videos, visit our video library