Helicopters are most different from airplanes in that:
A. Helicopter pilots mostly use their own vision to navigate.
B. Any significant disturbance in a helicopter system means the helicopter stops flying immediately.
C. They are each used for completely different tasks.
D. Helicopters are significantly safer to fly.
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Atorque acting on an object tends to produce a. equilibrium b. rotation c. linear motion d. velocity e. a center of gravity
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Helicopters are most different from airplanes in that:
A. Helicopter pilots mostly use their own vi...
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