Practical PhysicsGinn, 1922 - 472 pages |
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Page 3
... earth's quadrant , but simply as the distance between the scratches on the bar mentioned above . On account of its more convenient size , the centi- meter , one one - hundredth of a meter , is universally used , for scientific purposes ...
... earth's quadrant , but simply as the distance between the scratches on the bar mentioned above . On account of its more convenient size , the centi- meter , one one - hundredth of a meter , is universally used , for scientific purposes ...
Page 31
... earth's surface in the same way in which eddies and high waves in a tank of water would affect the liquid pressure at the bottom of the tank . The barometer does not directly foretell the weather , but it has been found that a low or ...
... earth's surface in the same way in which eddies and high waves in a tank of water would affect the liquid pressure at the bottom of the tank . The barometer does not directly foretell the weather , but it has been found that a low or ...
Page 36
... earth's atmosphere . From the facts of compressibility and expansibility of air we may * A laboratory experiment on Boyle's law should follow this discussion . See , for example , Experiment 9 of the authors ' Manual . know that the air ...
... earth's atmosphere . From the facts of compressibility and expansibility of air we may * A laboratory experiment on Boyle's law should follow this discussion . See , for example , Experiment 9 of the authors ' Manual . know that the air ...
Page 38
... earth . QUESTIONS AND PROBLEMS 1. The deepest sounding in the ocean is about 6 mi . Find the pressure in tons per square inch at this depth . ( Specific gravity of ocean water = 1.026 . ) Will a pebble thrown overboard reach the bottom ...
... earth . QUESTIONS AND PROBLEMS 1. The deepest sounding in the ocean is about 6 mi . Find the pressure in tons per square inch at this depth . ( Specific gravity of ocean water = 1.026 . ) Will a pebble thrown overboard reach the bottom ...
Page 39
... earth's atmosphere has one left beneath him when he ascends to the top of this mountain ? 13. If Glaisher and Coxwell rose in their balloon until the barometric height was only 18 cm . , how many inhalations were they obliged to make in ...
... earth's atmosphere has one left beneath him when he ascends to the top of this mountain ? 13. If Glaisher and Coxwell rose in their balloon until the barometric height was only 18 cm . , how many inhalations were they obliged to make in ...
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Common terms and phrases
ammeter amperes angle armature ball body calories carbon charge circuit coil color condenser conductor connected convex lens copper cubic centimeter Daniell cell density diameter direction distance dynamo earth electric electric charge electroscope engine equal experiment fact fall flame focal length fork freezing friction galvanic cell galvanometer gases glass gram gravity heat Hence hydrogen inch induced iron kinetic energy lamp Leclanché cell lens lever light lines of force liquid mass mechanical advantage mercury metal meter mirror molecules motion moving needle ohms opposite overtone pass pipe piston placed plane plate pole position potential pressure produced pull pump QUESTIONS AND PROBLEMS rays reflected resistance rotation shown in Fig shows sound specific gravity speed steam substances surface temperature thermometer tion tube vapor velocity vessel vibration volts wave length weight wheel wire zinc
Popular passages
Page 458 - And show me how they calculated the initiatory speed of our car?" "Yes, my worthy friend; taking into consideration all the elements of the problem, the distance from the center of the earth to the center of the moon...
Page 67 - Any two bodies in the universe attract each other with a force which is directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
Page 393 - The magnifying power of an astronomical telescope is therefore the focal length of the objective divided by the focal length of the eyepiece. It...
Page 22 - Archimedes stated that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid.
Page 84 - Every body continues in its state of rest or uniform motion in a straight line, except in so far as it is compelled to change that state by a force impressed upon it.
Page 367 - Index of refraction. The ratio of the speed of light in air to its speed in any other medium is called the index of refraction of that medium.
Page 260 - The resistance of any conductor is directly proportional to its length and inversely proportional to the area of its cross section or to the square of its diameter.
Page 60 - ... is, the resultant of two parallel forces acting in the same direction is equal to the sum of the two forces.
Page 62 - For in § 79 it was shown that if any one force is to have the same effect upon a body as two forces acting simultaneously, it must be represented by the diagonal of a parallelogram the sides of which represent the two forces. Hence, conversely, if two forces are to be equivalent in their...
Page 2 - Thus, there are 12 inches in a foot, 3 feet in a yard, 5^- yards in a rod, 1760 yards in a mile, etc.