A Very Large Wind Turbine Is Used to Extract Power

question 61

Multiple Choice

A very large wind turbine is used to extract power from the wind.The turbine has a diameter of 120 meters.What is the maximum power this turbine can extract from the wind.Assume a wind speed of 10 m/s and the density of air is 1.2 kg/m³.

• A)4.02 MW
• B)7.52 MW
• C)3.40 MW
• D)6.80 MW

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Definitions:

Flexor Digitorum Superficialis

A muscle in the forearm that flexes the fingers.

Metacarpal Bones

Metacarpal bones are the five long bones in the hand located between the wrist (carpal bones) and the fingers, forming the skeletal structure of the palm.

Carpal Bones

The eight small bones that make up the wrist, allowing for a wide range of movement.

Opponens Pollicis

A muscle in the hand that allows the thumb to touch the tips of the other fingers, a key movement for grasping objects.