A Fan Attached to an Ice Sailcraft Stalled on a Windless

question 54

Multiple Choice

A fan attached to an ice sailcraft stalled on a windless day blows air into the sail that bounces backward upon impact. The boat

• A)moves in the direction of the wind impact force.
• B)does not move by this wind impact.
• C)moves, but in the opposite direction of the wind impact force.

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Definitions:

Absolute Threshold

The minimum intensity of a stimulus that is required for a person to be able to detect it 50% of the time.

Noticeable

Easily seen or recognized; attracting attention by being prominent or significant.

Difference

Generally refers to a distinction or divergence between two or more things, often used in analysis or comparison.

Bipolar Cells

A type of neuron found in the retina that acts as an intermediary between photoreceptors (rods and cones) and ganglion cells, playing a crucial role in visual processing.