A Text Book of the Principles of Physics |
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Page 18
... greater velocity , 40 miles an hour or 12 metres per second ? 6. A train travels 10 miles at a velocity of 20 miles per hour ; then 4 miles at an average rate of 30 miles per hour ; then 6 at a uniform rate of 40 miles per hour ; it ...
... greater velocity , 40 miles an hour or 12 metres per second ? 6. A train travels 10 miles at a velocity of 20 miles per hour ; then 4 miles at an average rate of 30 miles per hour ; then 6 at a uniform rate of 40 miles per hour ; it ...
Page 19
... greater the velocity or the greater the mass moved , the greater the quantity of motion . The C.G.S. unit of momentum is called a Bole . Force . When a body which is at rest is set in motion , or one which is in motion is accelerated ...
... greater the velocity or the greater the mass moved , the greater the quantity of motion . The C.G.S. unit of momentum is called a Bole . Force . When a body which is at rest is set in motion , or one which is in motion is accelerated ...
Page 78
... greater the distance of any plane in the body from the plane passing through CD , the greater will be its displacement from its original position ; and a body so sheared we may conceive as made up of an indefinite number of indefinitely ...
... greater the distance of any plane in the body from the plane passing through CD , the greater will be its displacement from its original position ; and a body so sheared we may conceive as made up of an indefinite number of indefinitely ...
Page 86
... greater or less , the undulations of the Harmonic Curve will be deeper or shallower ; while , if the motion along the axis of x be slower or quicker , the undu- lations of the resultant curve will be closer together or farther apart ...
... greater or less , the undulations of the Harmonic Curve will be deeper or shallower ; while , if the motion along the axis of x be slower or quicker , the undu- lations of the resultant curve will be closer together or farther apart ...
Page 90
... greater , the point N , G is farther from O , and the ellipse widens out until , when Fig.35 . A B M P H , M K LJ LD M , K N NG 10 N , J Q.C Q.G F.B H.P H the difference of phase is period , the point N , G is opposite to C , and the ...
... greater , the point N , G is farther from O , and the ellipse widens out until , when Fig.35 . A B M P H , M K LJ LD M , K N NG 10 N , J Q.C Q.G F.B H.P H the difference of phase is period , the point N , G is opposite to C , and the ...
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Common terms and phrases
acceleration acid acting amount amplitude angular velocity atmospheric pressure atoms attraction axis becomes body Boyle's law carbonic acid centre charge chemical coefficient colour component compression constant corresponding curve cylinder density difference of potential direction disc displacement distance dynes effect elastic electric equal equation equipotential surfaces ergs Ether expansion external film flask fluid friction gases glass gramme gravity greater heat Hence hydrogen increased kinetic energy length lens light lines of force liquid mass matter measured membrane mercury metal molecular molecules motion move oscillation oxygen parallel particles pass pendulum piston plane polarised position potential energy produced proportional quantity radius ratio reflexion refracted resistance result right angles rotation round solid solution sound space stopcock stream string substance temperature tension thermal capacity tion traversed tube unit vapour varies velocity vessel vibration viscosity volume wave wave-front wave-length weight whole wire zinc
Popular passages
Page 6 - Change of motion is proportional to the impressed force and takes place in the direction of the straight line in which the force acts.
Page 6 - To every action there is always an equal and contrary reaction ; or the mutual actions of any two bodies are always equal and oppositely directed.
Page 786 - Crown 8vo. gr. 6d. GRAVITATION: an Elementary Explanation of the Principal Perturbations in the Solar System.
Page 235 - ... by a moving mass ; that it is not discontinuous or granular ; and hence, that, as a whole, it may be compared to an impalpable and all-pervading jelly, through which light and heat waves are constantly throbbing, which is constantly being set in local strains and released from them, and being whirled in local vortices, thus producing the various phenomena of electricity and magnetism ; and through which the particles of ordinary matter move freely, encountering but little retardation if any ;...
Page 785 - FREDERICK BEDELL, HOMER J. HOTCHKISS, CHARLES P. MATTHEWS, and THE EDITOR. Cloth, pp. 444. $3.25The first volume, intended for beginners, affords explicit directions adapted to a modern laboratory, together with demonstrations and elementary statements of principles. It is assumed that the student possesses some knowledge of analytical geometry and of the calculus. In the second volume more is left to the individual eflort and to the maturer intelligence of the practicant.
Page 785 - A Laboratory Manual OF Physics and Applied Electricity ARRANGED AND EDITED BY EDWARD L. NICHOLS Professor of Physics in Cornell University IN TWO VOLUMES Vol.