A Stone Is Released from Rest from the Edge of a Building

question 48

Multiple Choice

A stone is released from rest from the edge of a building roof 190 m above the ground.Neglecting air resistance, the speed of the stone, just before striking the ground, is:

• A)43 m/s
• B)61 m/s
• C)120 m/s
• D)190 m/s
• E)1400 m/s

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Definitions:

Fetal Brain Activity

The process of neural development and functioning in the brain of a fetus, critical for healthy cognitive and physiological development.

Different Sounds

The variety of auditory stimuli that are distinct in pitch, tone, or duration, enabling the perception of a wide range of auditory information.

Moro Reflex

A reflex in which infants arch their back, fling out their arms and legs, and draw them back toward the chest in response to a sudden change in position.

Babinski Sign

The Babinski sign is a reflex observed in infants when the sole of the foot is stroked, causing the big toe to move upward; it typically disappears as the child matures.