A wind of velocity 10 m/s is blowing through a wind generator ...

[LCritchfi]

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

[ong527]

Answer to Question 1

B

Answer to Question 2

E

[LCritchfi]

Thank you!

[ong527]

Always glad to help...