 | 1890 - 206 páginas
...feet in a second, at the temperature of 60 deg. F. If colder, a rearrangement of the air particles takes place under the action of cohesive force, causing...of a band of music at a distance, all the sounds, ho wever varying in intensity and pitch, reaching the observer in perfect time." On page 211 of our... | |
 | John I. Swander - 1886 - 372 páginas
...cohesive force, causing sound to travel slower. This fact of tlie uniform velocity of all sounds m air at a given temperature is verified by listening...the playing of a band of music at a distance, all che sounds, however varying in intensity and pitch, reaching the observer in perfect time. Q. 33. What... | |
 | 1895 - 402 páginas
...receiver, and you will find that the sound of the bell in vacuo will be intensely heard. 220. " The fact of the uniform velocity of all sounds in air...listening to the playing of a band of music at a distance, when all the sounds, however varying in intensity and pitch, will reach the observer in perfect time."... | |
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... whether the sounds be soft or loud, high or low, simple or complex. The velocity of all sounds in air is about 1120 feet in a second, at the temperature of 60 deg. F. If colder, a rearrangement of the air-particles takes place under the action of... 