Anti-intellectualism in American LifeKnopf, 1970 - 434 pages |
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Page 213
... speeds , the term supersonic is used to describe velocities greater than the speed of sound whereas subsonic refers to velocities less than that of sound . An airplane operating at a certain velocity might be subsonic at sea level and ...
... speeds , the term supersonic is used to describe velocities greater than the speed of sound whereas subsonic refers to velocities less than that of sound . An airplane operating at a certain velocity might be subsonic at sea level and ...
Page 367
... speed or direction or both . We denote speed by v , acceleration in direction by ac , and acceleration in speed by a ,. A change in amount is indicated by △ ( delta ) . When merely the speed is changed , acceleration is given by Av ...
... speed or direction or both . We denote speed by v , acceleration in direction by ac , and acceleration in speed by a ,. A change in amount is indicated by △ ( delta ) . When merely the speed is changed , acceleration is given by Av ...
Page 380
... speed of 5 m / sec sees a youngster's coaster wagon in the path ahead . Coming up to it he jumps aboard and the two move forward together . The mass of the wagon is 20 kg . With what speed do they go forward together ? ( Ans .: 4 m ...
... speed of 5 m / sec sees a youngster's coaster wagon in the path ahead . Coming up to it he jumps aboard and the two move forward together . The mass of the wagon is 20 kg . With what speed do they go forward together ? ( Ans .: 4 m ...
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