PhysicsAppleton, 1878 - 149 páginas |
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Página 3
... speed , was moving at forty miles an hour ? We simply mean , that if the train had been allowed to move for a whole hour at the same rate it had before it began to slacken its speed it would have moved over DUCTION . ] 3 PHYSICS .
... speed , was moving at forty miles an hour ? We simply mean , that if the train had been allowed to move for a whole hour at the same rate it had before it began to slacken its speed it would have moved over DUCTION . ] 3 PHYSICS .
Página 13
... whole weight were condensed into the point G. Now G is what we call the centre of gravity of the sheet ; and if G. Fig . 3 . I hang up the sheet freely by a string , it will put itself in such a position that its centre of gravity G ...
... whole weight were condensed into the point G. Now G is what we call the centre of gravity of the sheet ; and if G. Fig . 3 . I hang up the sheet freely by a string , it will put itself in such a position that its centre of gravity G ...
Página 16
... whole vessel . Nor does a gas insist so violently as a liquid upon occupying a certain space ; for by means of a proper amount of force I can compress the gas which now fills a pint bottle into half a pint , or even into less space , if ...
... whole vessel . Nor does a gas insist so violently as a liquid upon occupying a certain space ; for by means of a proper amount of force I can compress the gas which now fills a pint bottle into half a pint , or even into less space , if ...
Página 23
... whole upward pressure is proportional to the surface of the piston ; so that if the one piston has three times the surface of the other , it will be driven up with a pressure three times as great , and so on . 20. Water Press . Now this ...
... whole upward pressure is proportional to the surface of the piston ; so that if the one piston has three times the surface of the other , it will be driven up with a pressure three times as great , and so on . 20. Water Press . Now this ...
Página 29
... whole weight of the substance , in order to make it equal to the other scale - pan in weight . EXPERIMENT 19. - Are we to imagine that this sub- stance , when in water , loses its weight altogether ? Let us try , by experiment , whether ...
... whole weight of the substance , in order to make it equal to the other scale - pan in weight . EXPERIMENT 19. - Are we to imagine that this sub- stance , when in water , loses its weight altogether ? Let us try , by experiment , whether ...
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acid air-pump attracted BALFOUR STEWART battery blow boiling-point bottom brass bright bulb bulk for bulk buoyancy burning-glass called cannon cold colours conductor convection copper cubic inches cylinder Describe an experiment E. A. FREEMAN earth elec electric machine electroscope excited glass excited sealing-wax expand experiment showing fact feet fill fire force gases Give an instance glass support grains gravity heated body hot body Illustrate your reply iron kinds of electricity knob latent heat lens Leyden jar liquid magnify means mercury metal mirror motion move needle nitric acid particles pass phosphorus piston pith ball plate platinum positive electricity pound weight pressure Price Primer prism ray of light rise rubbed scale-pan Sketch solid sound spark steam stoneware strikes substance sulphuric acid surface temperature thermometer thing told tricity tube valve vapour velocity vessel vibrating body weight wire zinc