Lessons in elementary physics1884 |
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Page 10
... half an hour , or 7 miles in a quarter of an hour . In fact , velocity means the whole space moved over divided by the time taken , or calling s the space , S t the time , and ʊ the velocity , then v = — . t Having already fixed upon ...
... half an hour , or 7 miles in a quarter of an hour . In fact , velocity means the whole space moved over divided by the time taken , or calling s the space , S t the time , and ʊ the velocity , then v = — . t Having already fixed upon ...
Page 12
... half of the force applied to each . It will therefore take one unit of force to produce unit of velocity in the one gramme , and another unit of force to produce the same in the other , and hence we must apply two units of force . It is ...
... half of the force applied to each . It will therefore take one unit of force to produce unit of velocity in the one gramme , and another unit of force to produce the same in the other , and hence we must apply two units of force . It is ...
Page 19
... half a second was only 4'9 metres per second , while at the end of the first quarter of a second it was 2.45 metres , and so on . In fact , its average or mean velocity during the first second was only 4'9 metres , which will also ...
... half a second was only 4'9 metres per second , while at the end of the first quarter of a second it was 2.45 metres , and so on . In fact , its average or mean velocity during the first second was only 4'9 metres , which will also ...
Page 28
... half - hundred weight in his hand . The carriage and all that it contains are now in the act of falling over a precipice - will he still continue to feel the strain of the weight upon his arm . Answer . He will not . When the carriage ...
... half - hundred weight in his hand . The carriage and all that it contains are now in the act of falling over a precipice - will he still continue to feel the strain of the weight upon his arm . Answer . He will not . When the carriage ...
Page 29
... half that of gravity , since gravity would have given it the velocity of 98. An upward tending force equal to 49 , or half that of gravity , must therefore have been applied to the system . Now , as the whole force of gravity is ...
... half that of gravity , since gravity would have given it the velocity of 98. An upward tending force equal to 49 , or half that of gravity , must therefore have been applied to the system . Now , as the whole force of gravity is ...
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Common terms and phrases
49 metres 98 metres action actual energy angle annealed applied atmosphere attraction ball beam carbonic acid carriage centre of gravity chemical affinity column compression cubic cubic centimetre cylinder denote density displacement distance double earth electricity energy of position equilibrium experiments fact fall fluid focus force of gravity force tending friction gases glass grammes hence increase instance kilogrammes latent heat law of motion length let us suppose liquid luminous mass means mercury metres per second miles mirror molecular momentum moving force oscillation particles pendulum piston plane plate pressure produce proportional ray of light represent resistance rest side solid sound space passed specific gravity specific heat square centimetre steam stone string substance temperature thermometer tube unit upwards vapour various velocity of 98 vertical vessel vibration visible energy visible motion volume wave wave-length weight whole zinc
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