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

Author Question: In an electromagnetic wave in free space, the field and fields are A) parallel to one another and ... (Read 74 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
In an electromagnetic wave in free space, the field and fields are
 
  A) parallel to one another and perpendicular to the direction of wave propagation.
  B) parallel to one another and parallel to the direction of wave propagation.
  C) perpendicular to one another and perpendicular to the direction of wave propagation.
  D) perpendicular to one another and parallel to the direction of wave propagation.

Question 2

An ideal Carnot engine is operated as a thermodynamic pump to heat a room in the winter.
 
  The thermodynamic pump delivers thermal energy to the room at the rate of 47 kJ per second and maintains the room at a temperature of 293 K when the outside temperature is 237 K. The power requirement to run the thermodynamic pump under these operating conditions is closest to A) 9000 W.
  B) 7100 W.
  C) 20,000 W.
  D) 15,000 W.
  E) 11,000 W.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vboyd24

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

C

Answer to Question 2

A




leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 29, 2018
:D TYSM


FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Excellent

 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

For a complete list of videos, visit our video library