« previous next »

Author Question: Which of the following energy transformations represents the operation of a wind turbine a device ... (Read 121 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Jul 29, 2018
Which of the following energy transformations represents the operation of a wind turbine a device that uses the wind as an energy resource?
 
  A) Thermal E  Electric E B) Electric E  Kin E
  C) Grav E  Electric E D) Kin E  Electric E

Question 2

A plane has an airspeed of 142 m/s. A 30.0 m/s wind is blowing southward at the same time as the plane is flying. What must be the heading of the plane in order to move directly eastward relative to the ground?
 
  A) 77.8 north of east
  B) 55.3 north of east
  C) 12.2 north of east
  D) 11.9 north of east
  E) 78.1 north of east


peilian

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

D

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Energy of Electron according to Electron Shells Energy of Electron according to Electron Shells
Activation energy graph Activation energy graph
The coupling of reactions in energy transfer. The coupling of reactions in energy transfer.
Measuring Wind Measuring Wind
Sketch the graph of each function using transformations. State the domain and range. Sketch the graph of each function using transformations. State the domain and range.
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
Video: Fermentation pathways

For a complete list of videos, visit our video library