Elements of Physics: Or Natural PhilosophyD. Appleton, 1887 - 873 páginas |
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Resultados 1-5 de 79
Página 9
... surface as A B. Thus the light that A B would catch will be spread over four times as much space at E D , nine times ... surface are ; thus the force with which the moon is drawn to the earth is only about 1-3600th of its weight at the ...
... surface as A B. Thus the light that A B would catch will be spread over four times as much space at E D , nine times ... surface are ; thus the force with which the moon is drawn to the earth is only about 1-3600th of its weight at the ...
Página 11
... surface molecules that are brought into play . 25. For cohesion of two masses we must , therefore , bring a sufficient number of molecules face to face , as well as press them very closely together . This done , we need no glue or paste ...
... surface molecules that are brought into play . 25. For cohesion of two masses we must , therefore , bring a sufficient number of molecules face to face , as well as press them very closely together . This done , we need no glue or paste ...
Página 12
... Surfaces may , however , appear to the eye to be in contact when they are not actually so . Newton found , during some ... surface and allows free contact of the pure metals ; the intense heat also expels the air , which would serve to ...
... Surfaces may , however , appear to the eye to be in contact when they are not actually so . Newton found , during some ... surface and allows free contact of the pure metals ; the intense heat also expels the air , which would serve to ...
Página 17
... surface and at the sides , the fluid portion is poured away and the bismuth will be found crystallised in regular cubes striated on the surface . Sulphur may be obtained crystallised in prisms by a similar process . Hollow balls of ...
... surface and at the sides , the fluid portion is poured away and the bismuth will be found crystallised in regular cubes striated on the surface . Sulphur may be obtained crystallised in prisms by a similar process . Hollow balls of ...
Página 29
... surface layer of molecules is concerned : hence a mere film over a surface is enough to alter its adhesive power . Thus if glass be greasy , it will not be wetted with water ; or , if we rub the hand over with lyco- podium dust , we may ...
... surface layer of molecules is concerned : hence a mere film over a surface is enough to alter its adhesive power . Thus if glass be greasy , it will not be wetted with water ; or , if we rub the hand over with lyco- podium dust , we may ...
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Otras ediciones - Ver todas
Términos y frases comunes
action atmosphere atmospheric pressure axle balance ball balloon barometer beam blow body bottom bulk buoyancy called carbonic acid carriage cause centre of gravity centrifugal force chemical cohesion column common cork density diffusion direction distance earth effect elastic Energy equal fall feet float fluid friction gases glass gradually greater half heat heavy Hence horizontal hydrogen illustration inch inclined plane increase instance iron length less lever lift liquid machine mass matter mercury metal miles molecules momentum motion moving musical oxygen particles pass pendulum piston placed plane pound pound weight pressure principle produced proportion pulley quantity resistance rest rise rope round screw ship side simple machines solid sound space specific gravity stone string substance surface temperature tion tube turn uniform velocity velocity of sound vertical vessel vibrations waves weight wheel whole wind
Pasajes populares
Página 467 - ... will prevent the metal from running away, and in a few minutes it will cool and take the impression, without the slightest injury to the paper from which it was taken.
Página 799 - That the squares of the times of the revolutions of the planets are as the cubes of their mean distances from the sun.
Página 368 - When horses or mules march in company at night, those in front direct their ears forward...