« previous next »

Author Question: Which of the following energy transformations represents the operation of a wind turbine a device ... (Read 82 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?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Methane combustion as an energy–yielding redox reaction. Methane combustion as an energy–yielding redox reaction.
Black Hole Wind Black Hole Wind
Some energy interconversions in living organisms Some energy interconversions in living organisms
The energy cycle of life The energy cycle of life
The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010 The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010
Comparing uncontrolled and controlled energy release. Comparing uncontrolled and controlled energy release.
Video: Carpal Tunnel Syndrome

For a complete list of videos, visit our video library