Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 164
ace?Illustrate. Explain the experiments made near Paris. PRODUCTION AND PROPAGATION OF SOUND. 161 The average of these intervals at both stations was found tobe 54.6 sec., giving for the actual velocity of sound, 1118feet per second. The temperature of the air was 61° F. Sound travelsfaster in… … Fig: no. A knowledge of the velocity of sound enables us to determine thedistance between two points. Let a gun be fired at one point, andJet an observer note the time between the flash and report : multiplythe number of seconds elapsed by 1090, we have the distance re-quired. When great accuracy…
Physics
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