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

question 20

Essay

The speed of sound in air is approximately $340 \mathrm {~m} / \mathrm { s } .$ .The speed of sound in steel is
approximately $5900 \mathrm {~m} / \mathrm { s } .$ If your friend strikes one end of a steel pipe with a hammer while you
listen at the other end, you will hear two distinct sounds: one traveling through the air and the
other traveling through the steel pipe.If 1.94 seconds elapses between the two distinct sounds,
how long is the steel pipe?

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Definitions:

Pulp Cavity

The central part of a tooth containing the nerve and blood vessels, vital for the tooth's nutrition and sensitivity.

Tooth Decay

A condition where the structure of the tooth is damaged due to bacterial activity, leading to cavities or caries.

Dentin

The hard, dense, bony tissue that forms the bulk of a tooth beneath the enamel, providing its primary structure.

Digestion

The breakdown of food to small molecules.