Practical PhysicsGinn, 1922 - 472 pages |
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Page ix
... Mercury - Diffusion Air Pump 6. British Dirigible Airship R - 34 Arriving in America 7. The United States Army Observation Balloon 8. Galileo 9. French 340 - mm . Gun in Action 10. Sir Isaac Newton 11. The Cream Separator 12. James ...
... Mercury - Diffusion Air Pump 6. British Dirigible Airship R - 34 Arriving in America 7. The United States Army Observation Balloon 8. Galileo 9. French 340 - mm . Gun in Action 10. Sir Isaac Newton 11. The Cream Separator 12. James ...
Page 9
... Mercury 1.26 Gasoline • 1.27 13.6 .75 16. Relation between mass , volume , and density . Since the mass of a body is equal to the total number of grams which it contains , and since its volume is the number of cubic centi- meters which ...
... Mercury 1.26 Gasoline • 1.27 13.6 .75 16. Relation between mass , volume , and density . Since the mass of a body is equal to the total number of grams which it contains , and since its volume is the number of cubic centi- meters which ...
Page 28
... mercury , which is about 13 times as heavy as water , ought to rise but as high . To . test this inference he ... mercury , as in Fig . 25 , ( 1 ) , then closed with the thumb and inverted , and the bottom immersed in a dish of mer- cury ...
... mercury , which is about 13 times as heavy as water , ought to rise but as high . To . test this inference he ... mercury , as in Fig . 25 , ( 1 ) , then closed with the thumb and inverted , and the bottom immersed in a dish of mer- cury ...
Page 29
... mercury in the tube falls as soon as the air is removed from above the surface of the mercury in the dish . A To test this point , let the dish and tube be placed on the table of an air pump , as in Fig . 26 , the tube passing through a ...
... mercury in the tube falls as soon as the air is removed from above the surface of the mercury in the dish . A To test this point , let the dish and tube be placed on the table of an air pump , as in Fig . 26 , the tube passing through a ...
Page 30
... mercury is 13.6 grams per cubic centimeter , the downward pressure inside the tube at a is equal to 76 times 13.6 grams , or 1033.6 grams per square centimeter . Hence the atmospheric pressure acting on the surface of the mercury at c ...
... mercury is 13.6 grams per cubic centimeter , the downward pressure inside the tube at a is equal to 76 times 13.6 grams , or 1033.6 grams per square centimeter . Hence the atmospheric pressure acting on the surface of the mercury at c ...
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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.