A Helicopter Stays Aloft by Pushing Large Quantities of Air

question 34

Multiple Choice

A helicopter stays aloft by pushing large quantities of air downward every second.What mass of air must be pushed downward at 30.0 m/s every second to keep a 1000 kg helicopter aloft?

• A) 120 kg
• B) 245 kg
• C) 327 kg
• D) 490 kg

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Definitions:

Mental Rotation Tasks

Cognitive tasks that involve rotating objects mentally to assess spatial visualization and processing abilities.

Maccoby and Jacklin

Psychologists known for their seminal work in the 1970s on gender differences in psychological traits and behaviors.

Verbal Ability

The capacity to use language effectively for communication, including understanding, using, and producing spoken and written language.

Gender Differences

The distinctions in characteristics, behaviors, and physiological attributes typically associated with males and females.