Author Question: Since 1 kilowatt equals 1000 watts, and 1 hour equals 3600 seconds, it follows that the ... (Read 80 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?

The human body produces and destroys 15 million blood cells every second.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library