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Author Question: Which of the following energy transformations represents the operation of a wind turbine a device ... (Read 108 times)

krzymel

  • Hero Member
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  • 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

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

C


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