Physics: Advanced CourseH. Holt, 1892 - 902 páginas |
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Términos y frases comunes
acceleration æther amount amplitude angle angular velocity atmosphere attraction axis body boiling called carbon center of mass centimeters coefficient component compression constant cubic centimeter curve cylinder density diameter direction disk displacement distance dynes elastic electrification emitted equal equation equilibrium equipotential surfaces evidently fluid force gases given glass grams Hence hydrogen increase kinetic energy length lens light liquid matter measured medium membrane mercury meters molecular molecular mass molecules motion moving obtained opposite oscillation parallel particle pendulum perpendicular placed plane plate polarized position potential energy pressure prism produced proportional quantity radiation radius ratio refraction represent resultant rotation simple harmonic simple harmonic motion solid sound specific heat spectrum speed speed of sound sphere square substance Suppose surface temperature tion tube unit mass vapor velocity vertical vessel vibration-frequency vibrations volume wave wave-frequencies wave-length weight whence wire zero
Pasajes populares
Página 70 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
Página 100 - Newton generalized the law of attraction into a statement that every particle of matter in the universe attracts every other particle with a force which varies directly as the product of their masses and inversely as the square of the distance between them; and he thence deduced the law of attraction for spherical shells of constant density.
Página 621 - The electric fluid is attracted by points. We do not know whether this property is in lightning. But since they agree in all the particulars wherein we can already compare them, is it not probable they agree likewise in this ? Let the experiment be made.
Página 829 - His fifth and final claim is of "the method of and apparatus for transmitting vocal or other sounds telegraphically, as herein described, by causing electrical undulations, similar in form to the vibrations of the air accompanying the said vocal or other sounds, substantially as set forth.
Página 621 - Electrical fluid agrees with lightning in these particulars: 1. Giving light. 2. Color of the light. 3. Crooked direction. 4. Swift motion. 5. Being conducted by metals. 6. Crack or noise in exploding. 7. Subsisting in water or ice. 8. Rending bodies it passes through. 9. Destroying animals. 10. Melting metals. 11. Firing inflammable substances. 12. Sulphurous smell.
Página 71 - Change of motion is proportional to the impressed force and takes place in the direction of the straight line in which the force acts.
Página 622 - At this key the phial may be charged; and from electric fire thus obtained, spirits may be kindled, and all the other electric experiments be performed, which are usually done by the help of a rubbed glass globe or tube, and thereby the sameness of the electric matter with that of lightning completely demonstrated.
Página 351 - ... the absolute values of two temperatures are to one another in the proportion of the heat taken in to the heat rejected in a perfect thermo-dynamic engine, working with a source and refrigerator at the higher and lower of the temperatures respectively.
Página 270 - The immediate cause of the phenomena of heat then is motion, and the laws of its communication are precisely the same, as the laws of the communication of motion.
Página 542 - I electrified a silver pint can, on an electric stand, and then lowered into it a cork ball, of about an inch diameter, hanging by a silk string, till the cork touched the bottom of the can. The cork was not attracted to the inside of the can, as it would have been to the outside; and, though it touched the bottom, yet, when drawn out, it was not found to be electrified by that touch, as it would have been by touching the outside.