PhysicsAppleton, 1878 - 149 páginas |
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Página 1
... fact you have been told about the various kinds of things we have in the world , but you have not yet learned much about the affections or moods of these things . You are yourself subject to change of moods ; sometimes you appear with a ...
... fact you have been told about the various kinds of things we have in the world , but you have not yet learned much about the affections or moods of these things . You are yourself subject to change of moods ; sometimes you appear with a ...
Página 3
... fact that I am moving about ; you must know the direction or line in which I am moving , and you must also know the rate or velocity with which I am moving . You must try clearly to under- stand the meaning of this word " velocity ...
... fact that I am moving about ; you must know the direction or line in which I am moving , and you must also know the rate or velocity with which I am moving . You must try clearly to under- stand the meaning of this word " velocity ...
Página 4
... fact , if instead of coming to rest at the station it had been an express train , and gone on , it would have been forty miles away an hour after we began to notice it . There are different ways of expressing velocity : sometimes we ...
... fact , if instead of coming to rest at the station it had been an express train , and gone on , it would have been forty miles away an hour after we began to notice it . There are different ways of expressing velocity : sometimes we ...
Página 5
Balfour Stewart. In fact that which changes the state of a body is called force , whether that state be one of rest or of motion . EXPERIMENT I. - To prove this , take a tin pan with some peas in the bottom of it , and hold the pan in ...
Balfour Stewart. In fact that which changes the state of a body is called force , whether that state be one of rest or of motion . EXPERIMENT I. - To prove this , take a tin pan with some peas in the bottom of it , and hold the pan in ...
Página 8
... fact , this property of things called weight is really caused by the attraction of the earth . This force which the earth exerts is called gravity . 5. Definition of Cohesion . - But there are other forces besides that which the earth ...
... fact , this property of things called weight is really caused by the attraction of the earth . This force which the earth exerts is called gravity . 5. Definition of Cohesion . - But there are other forces besides that which the earth ...
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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