Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 290
ns we mayuse 1100 ft. per second for the velocity of sound in air.) Inwater the velocity of sound at o° C. is 4590 ft. per second, andin iron 16,728 ft. per second. How sound travels. — When a gun is discharged, the airnearest the muzzle is shoved out in all directions. This airpushes back the air… … FIG. 203. — Sound doesnot travel through avacuum. 276 PHYSICS OF THE HOUSEHOLD and then comes to rest, but the compression moves out indef-initely. This is true also when sound travels through solidsor liquids. When a gun is discharged, only one wave is produced, andtherefore only one sound is…
Physics · Home Economics
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