Practical PhysicsGinn, 1922 - 472 pages |
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Page 10
... ball of yarn was squeezed into of its original bulk . What effect did this produce upon its mass , its volume , and its density ? 3. If a wooden beam is 30 x 20 × 500 cm . and has a mass of 150 kg . , what is the density of wood ? 4 ...
... ball of yarn was squeezed into of its original bulk . What effect did this produce upon its mass , its volume , and its density ? 3. If a wooden beam is 30 x 20 × 500 cm . and has a mass of 150 kg . , what is the density of wood ? 4 ...
Page 24
... densities of solids and liquids should follow or accompany the discussion of this chapter . See , for example , Experiments 7 and 8 of the authors ' Manual . 10. A platinum ball weighs 330 g . in air 24 PRESSURE IN LIQUIDS.
... densities of solids and liquids should follow or accompany the discussion of this chapter . See , for example , Experiments 7 and 8 of the authors ' Manual . 10. A platinum ball weighs 330 g . in air 24 PRESSURE IN LIQUIDS.
Page 25
... ball weighs 330 g . in air , 315 g . in water , and 303 g . in sulphuric acid . Find the volume of the ball and the specific gravity of the platinum and of the acid . 11. A piece of paraffin weighed 178 g . in air , and a sinker weighed ...
... ball weighs 330 g . in air , 315 g . in water , and 303 g . in sulphuric acid . Find the volume of the ball and the specific gravity of the platinum and of the acid . 11. A piece of paraffin weighed 178 g . in air , and a sinker weighed ...
Page 34
... ball or a football bounds , or the air rushes out from a punctured tire . But it is not only air which has been crowded into a pneu- matic cushion by some sort of pressure pump which is in this state of readiness to expand as soon as ...
... ball or a football bounds , or the air rushes out from a punctured tire . But it is not only air which has been crowded into a pneu- matic cushion by some sort of pressure pump which is in this state of readiness to expand as soon as ...
Page 71
... ball lying on a smooth plane , a cone lying on its side , a wheel free to rotate about a fixed axis through its center , or any body supported at its center of gravity . In general , a body is in neutral equilibrium when a slight ...
... ball lying on a smooth plane , a cone lying on its side , a wheel free to rotate about a fixed axis through its center , or any body supported at its center of gravity . In general , a body is in neutral equilibrium when a slight ...
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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.