Anti-intellectualism in American LifeKnopf, 1970 - 434 pages |
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Page 213
... sound varies with the temperature . The decreased temperature of the air with altitude explains why the speed of sound is less at high altitudes than at sea level . In a vacuum a pressure wave cannot exist , of ... Sound Sources of Sound.
... sound varies with the temperature . The decreased temperature of the air with altitude explains why the speed of sound is less at high altitudes than at sea level . In a vacuum a pressure wave cannot exist , of ... Sound Sources of Sound.
Page 215
... sound intensity are concerned with the rate at which energy is received on a unit area . The wavelength , as in other waves , is the distance between repetitive identical points of the wave , that is ... Sound Phenomena Sound Phenomena.
... sound intensity are concerned with the rate at which energy is received on a unit area . The wavelength , as in other waves , is the distance between repetitive identical points of the wave , that is ... Sound Phenomena Sound Phenomena.
Page 216
... sound of things " in a bare room and in that same room furnished with rugs , chairs , draperies , and other objects . The original " hollow " sound is due to reflections taking place from the walls . The sound waves bounce back and ...
... sound of things " in a bare room and in that same room furnished with rugs , chairs , draperies , and other objects . The original " hollow " sound is due to reflections taking place from the walls . The sound waves bounce back and ...
Table des matières
Conception of the Universe | 2 |
Systems of Measuring Units and Some Basic Physical | 11 |
Energy and Related Concepts | 20 |
Droits d'auteur | |
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Expressions et termes fréquents
acceleration alpha particle altitude amount angle applied atmosphere atomic number axis beam beta particle body called charged particles chemical circuit coil color container cosmic rays curve direct current direction discussed distance Doppler effect earth effect electrical electromagnetic radiation electron volts electrons electrostatic emitted equator example fluorescent force frequency glass gravity greater heat hertz Huygen's principle hydrogen incandescent increase infrared intensity ionization joules kinetic energy lamp length lens light lines liquid magnetic field mass material measured mechanical meter miles mirror molecules motion move muscle neutrons normal nuclear nucleus object observe optical orbit path phenomena physical polarized poles positive pressure waves protons radio radioactive reflection result rotation shown in Fig signal sound space spectrum speed stars surface temperature thermal tube ultraviolet unit vapor velocity vibrating visible voltage volts wavelengths weight wire X-rays