« previous next »

Author Question: A very small source of light that radiates uniformly in all directions produces an electric field ... (Read 35 times)

cnetterville

  • Hero Member
  • *****
  • Posts: 547
on: Jul 29, 2018
A very small source of light that radiates uniformly in all directions produces an electric field amplitude of 2.96 V/m at a point 33.0 m from the source.
 
  What is the power output from the source? (c = 3.00  108 m/s, 0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2)

Question 2

A bridge piling has a cross-sectional area of 1.250 m2 and supports a load of 1875 N. What is the stress on the column?
 
  A) 1875 N
  B) 1875 N/m2
  C) 1500 N/m2
  D) 2344 N/m2


bobsmith

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 29, 2018
Answer to Question 1

159 W

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe
Small nuclear RNAs (snRNA), 100-200 bp in length, form part of the splicing mechanisms to process mR Small nuclear RNAs (snRNA), 100-200 bp in length, form part of the splicing mechanisms to process mR
Cover and secure the cold source in place. Wrap the cold source using a towel or elastic bandage to ... Cover and secure the cold source in place. Wrap the cold source using a towel or elastic bandage to ...
Guidelines for Creating Small Plates Guidelines for Creating Small Plates
Field technician in Utah Field technician in Utah
Light Blue Eye Color Light Blue Eye Color
Video: Amniocentesis and CVS Animation

For a complete list of videos, visit our video library