Author Question: The magnitude of the magnetic field at point P for a certain electromagnetic wave is 2.12 T. What is ... (Read 156 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?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

For a complete list of videos, visit our video library