 ... if its radius be three feet, it will contain nine times the quantity of matter ; if four feet, it will contain sixteen times the quantity of matter, and so on. Thus the quantity of matter set in motion augments as the square of the distance from the...  The Microcosm: The Organ of Substantial Philosophy - 124 페이지1890전체보기 - 도서 정보
 | John Tyndall - 1867 - 364 페이지
...case of a shell of air of a certain thickness, with a radius of one foot, reckoned from the centre of explosion. A shell of air of the same thickness, but...motion augments as the square of the distance from the centre of explosion. The intensity or loudness of the sound diminishes in the same proportion.... | |
 | John Tyndall - 1867 - 372 페이지
...case of a shell of air of a certain thickness, with a radius of one foot, reckoned from the centre of explosion. A shell of air of the same thickness, but...motion augments as the square of the distance from the centre of explosion. The intensity or loudness of the sound diminishes in the same proportion.... | |
 | John Tyndall - 1875 - 466 페이지
...of the same thickness, but of two feet radius, will contain i Poisson AKcanique, vol. ii. p. 707four times the quantity of matter; if its radius be three...motion augments as the square of the distance from the centre of explosion. The intensity or loudness of sound diminishes in the same proportion. We express... | |
 | John Tyndall - 1875 - 628 페이지
...air of the same thickness, but of two feet radius, will contain 1 Poisson Mecanique, vol. ii. p. 707. four times the quantity of matter; if its radius be...matter, and so on. Thus the quantity of matter set in motton augments as the square of the distance from the centre of explosion. The intensity or loudness... | |
 | Alexander Wilford Hall - 1878 - 300 페이지
...in the loudness of sound? The reader has not forgotten his language, recently quoted. He says: — "If its radius be three feet it will contain nine...contain sixteen times the quantity of matter, and so on. . . . The intensity or loudness of sound diminishes in the same proportion." Why did not this careful... | |
 | Alexander Wilford Hall - 1880 - 544 페이지
...explosion. A shell of air of the same thickness, but of two feet radius, will contain four limes tAe quantity of matter ; if its radius be three feet it...motion augments as the square of the distance from the centre of the explosion. The intensity or loudncss of sound diminishes in the same proportion.... | |
 | Alexander Wilford Hall - 1877 - 546 페이지
...in the loudness of sound? The reader has not forgotten his language, recently quoted. He says: — "If its radius be three feet it will contain nine...contain sixteen times the quantity of matter, and so on. . . . The intensity or louJncss of sound diminishes in the same proportion." Why did not this careful... | |
 | Alexander Wilford Hall - 1883 - 552 페이지
...his language, recently quoted. He says: — "If its radins be three feet it will contain nine tints the quantity of matter; if four feet it will contain sixteen times the quantity of matter, and *o on. . . . The intensity or loudness of sound iimittiihes in the same proportion." Why did not this... | |
 | Alexander Wilford Hall - 1880 - 544 페이지
...[from the center of the explosion] it will contain nine timet the quantity of matter; if four inches it will contain sixteen times the quantity of matter, and so on. . . . The intensity or loujncss of sound diminishes in the same proportion." It would really seem that... | |
 | 1883 - 402 페이지
...case of a shell of air of a certain thickness with a radius of one foot, reckoned from the center of explosion. A shell of air of the same thickness, but...center of the explosion. The intensity or loudness of the sound diminishes in the same proportion. ' Does Prof. Tyndall mean to say that this " enfeeblement... | |
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