Author Question: Since 1 kilowatt equals 1000 watts, and 1 hour equals 3600 seconds, it follows that the ... (Read 73 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
Since 1 kilowatt equals 1000 watts, and 1 hour equals 3600 seconds, it follows that the kilowatt-hour is
 
  A) an energy of 3.6 million joules.
  B) a power of 3.6 million watts.
  C) an energy of 3.6 million watts.
  D) a power of 3.6 million joules.
  E) None of the above.

Question 2

A 6.0-kg box slides down an inclined plane that makes an angle of 39 with the horizontal. If the coefficient of kinetic friction is 0.40, at what rate does the box accelerate down the slope?
 
  A) 3.1 m/s2
  B) 3.4 m/s2
  C) 3.7 m/s2
  D) 4.1 m/s2



GCabra

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
Both answers were spot on, thank you once again



GCabra

  • Sr. Member
  • ****
  • Posts: 331

 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library