How Much Air Must Be Pushed Downward at 60

question 51

Multiple Choice

How much air must be pushed downward at 60.0 m/s to keep an 800-kg helicopter aloft?

• A) 131 kg/s
• B) 196 kg/s
• C) 294 kg/s
• D) 392 kg/s

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Definitions:

Phobic Disorder

A type of anxiety disorder characterized by an intense and irrational fear of specific objects, activities, or situations that poses little to no actual danger.

Bipolar Disorder

A mental health condition characterized by significant mood swings including manic highs and depressive lows.

Conversion Disorder

A somatoform disorder in which a person suffers a loss of motor or sensory functioning in some part of the body; the loss has no physical cause but solves some psychological problem.

Social Phobias

Intense fear of social situations, leading to significant anxiety and avoidance of social interaction.