The Speed of Sound in Air Is Approximately $340 ~ { \mathrm { m } } / \mathrm { s } \text {. }$

question 21

Essay

The speed of sound in air is approximately $340 ~ { \mathrm { m } } / \mathrm { s } \text {. }$ .The speed of light in air is approximately $3 { \times } 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ .If a lightning strike occurs 3 km away, how much time elapses before you hear the
thunder?

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Definitions:

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion for the brain's cortex, providing basic mechanical and immunological protection to the brain inside the skull.

Saltatory Transmission

The rapid propagation of nerve impulses along myelinated axons from one Node of Ranvier to the next, increasing the speed of electrical signal transmission.

Central Nervous System

The part of the nervous system comprising the brain and spinal cord, responsible for processing and sending out information to the rest of the body.

Limbic System

A complex system of nerves and networks in the brain, involved in various emotional states and biological drives.