Physics: A Textbook for CollegesGinn, 1931 - Počet stran: 770 |
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Strana 108
... kinetic energy . The kinetic energy of a body is equal to the net amount of work that must be done on it to give it this energy . By taking a simple case it is possible to prove that this work is equal to × ( mass of body ) ...
... kinetic energy . The kinetic energy of a body is equal to the net amount of work that must be done on it to give it this energy . By taking a simple case it is possible to prove that this work is equal to × ( mass of body ) ...
Strana 167
... kinetic energy ; some of it goes into rotational energy . The same is usually true of a thrown or batted baseball . PROBLEMS 1. A wheel turns with an angular speed of 10 R. P.S. Compute the angular speed in radians per second . 2. A ...
... kinetic energy ; some of it goes into rotational energy . The same is usually true of a thrown or batted baseball . PROBLEMS 1. A wheel turns with an angular speed of 10 R. P.S. Compute the angular speed in radians per second . 2. A ...
Strana 188
... energy is changed into kinetic energy either before entering the wheel , or turbine , or while passing through it . Some- times the turbine is mounted at a contracted part of the tube carrying the water . At this contraction the ...
... energy is changed into kinetic energy either before entering the wheel , or turbine , or while passing through it . Some- times the turbine is mounted at a contracted part of the tube carrying the water . At this contraction the ...
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acceleration amperes angle angular angular velocity atmosphere atoms axis ball body C.G.S. units called calories capacitance cell centimeters circuit coefficient coil Compute condenser conductor connected constant copper cubic density difference of potential direction distance dynes earth electric electromotive force electrons electroscope equation example exerts flow force acting frequency friction ft./sec gases given glass gram heat Hence horizontal induced iron joules kinetic energy lens light liquid magnetic field mass measured mechanical advantage mercury method mirror molecules momentum motion moving numerically equal Ohm's law ohms parallel piston plate pole pounds pressure produced pump quantity radiation radius rays resistance rotation shown in Fig simple simple harmonic motion specific gravity speed starting friction student surface surface tension temperature tion torque tube vapor vector velocity vertical vibrations voltage volts volume wave length weight wire