This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The site location for a wind turbine is especially important. If the power output goes as the cube ... (Read 53 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
on: Jul 28, 2018
The site location for a wind turbine is especially important. If the power output goes as the cube of the wind velocity, then which of the following average velocities will give approximately twice as much output as a 10 mph wind?
 a. 13 b. 20 c. 30 d. 60 e. 80 mph

Question 2

A hornet circles around a pop can at constant speed once per second in a path with a 12-cm diameter. We can conclude that the hornet's wings must push on the air with force components that are
 a. straight down.
  b. down and inwards.
  c. down and outwards.
  d. down and backwards.
  e. down, inwards and backwards.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pariscourtney

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

C


frankwu

  • Member
  • Posts: 549
Reply 2 on: Jul 28, 2018
Excellent

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
It is important for new employees to know the location of all fire extinguishers. (A) Pull the pin ... It is important for new employees to know the location of all fire extinguishers. (A) Pull the pin ...
Examples of Body Regions and Their Location Examples of Body Regions and Their Location
Global Pressure Systems and Wind Patterns Global Pressure Systems and Wind Patterns
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Power Grip and Precision Grip Power Grip and Precision Grip
Video: Deafness Culture

For a complete list of videos, visit our video library