Author Question: Since 1 kilowatt equals 1000 watts, and 1 hour equals 3600 seconds, it follows that the ... (Read 62 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?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library