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

Author Question: A wind of velocity 10 m/s is blowing through a wind generator with blade radius 5.00 meters. What is ... (Read 88 times)

LCritchfi

  • Hero Member
  • *****
  • Posts: 519
on: Jul 28, 2018
A wind of velocity 10 m/s is blowing through a wind generator with blade radius 5.00 meters. What is the maximum power output if 30.0 of the wind's energy can be extracted? rair = 1.25 kg/m3.
 a. 7.20 kW
  b. 14.7 kW
  c. 21.3 kW
  d. 29.4 kW
  e. 39.6 kW

Question 2

A venturi tube may be used as the inlet to an automobile carburetor. If the 2.0-cm diameter pipe narrows to a 1.0-cm diameter, what is the pressure drop in the constricted section for an airflow of 3.0 m/s in the 2.0-cm section? (r = 1.2 kg/m3.)
 a. 70 Pa
  b. 85 Pa
  c. 100 Pa
  d. 120 Pa
  e. 81 Pa


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ong527

  • Sr. Member
  • ****
  • Posts: 285
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

E


LCritchfi

  • Hero Member
  • *****
  • Posts: 519
Reply #2 on: Jul 28, 2018
Thank you!


ong527

  • Sr. Member
  • ****
  • Posts: 285
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun
Measuring Wind Measuring Wind
Major Wind Systems: Foehn, Chinook, and Santa Ana Winds Major Wind Systems: Foehn, Chinook, and Santa Ana Winds
Curved airflow and the gradient wind Curved airflow and the gradient wind
A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ... A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ...
Dry outgrowths of the ovary wall of a maple (Acer) fruit form “wings” that catch the wind and ... Dry outgrowths of the ovary wall of a maple (Acer) fruit form “wings” that catch the wind and ...
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library