After a Stone Dropped from a Cliff Has Fallen 20

question 8

Multiple Choice

After a stone dropped from a cliff has fallen 20 m, the stone's speed is approximately

• A) 10 m/s.
• B) 20 m/s.
• C) 196 m/s.
• D) 392 m/s.

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Definitions:

Cultural Background

The cultural environment and experiences that influence an individual's beliefs, values, and behaviors.

Expectation

A belief or anticipation about the outcome of an event or situation in the future.

Perceptual Constancy

A tendency of the human perception system to see familiar objects as having standard shape, size, color, and location regardless of changes in the angle of perspective, distance, and lighting.

Reversibility

The ability in cognitive development to understand that actions can be reversed, restoring the original state.