Problems in Elementary PhysicsH. Holt, 1896 - 194 σελίδες |
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Αποτελέσματα 1 - 5 από τα 21.
Σελίδα 9
... Read as a proportion the expression = and find 2 30 3. The dimensions of a rectangle are 28 cm . and 7 cm . A second rectangle is 48 cm . long and the ratio of length to width is the same as in the first rectangle . Find width of second ...
... Read as a proportion the expression = and find 2 30 3. The dimensions of a rectangle are 28 cm . and 7 cm . A second rectangle is 48 cm . long and the ratio of length to width is the same as in the first rectangle . Find width of second ...
Σελίδα 10
... Read the proportion = in as many ways as you can . 7. Variation . - A special use is made of the principles of ratio and proportion to express the dependence of one set of quantities to another set . Thus , the area of a rectangle ...
... Read the proportion = in as many ways as you can . 7. Variation . - A special use is made of the principles of ratio and proportion to express the dependence of one set of quantities to another set . Thus , the area of a rectangle ...
Σελίδα 11
... read , " the first weight , 10 , is to the second weight , x , as the first length , 3 , is to the second length , 21 , " which is merely a particular illustration of the general law that the weight varies with the length . NOTE 1 ...
... read , " the first weight , 10 , is to the second weight , x , as the first length , 3 , is to the second length , 21 , " which is merely a particular illustration of the general law that the weight varies with the length . NOTE 1 ...
Σελίδα 12
... read , " x varies as y , " or " x is directly proportional to y . " Then of course it is also true that y xx . INVERSE VARIATION is expressed thus : x x 1 y ' which is read either " x varies inversely as y , " or " x is inversely ...
... read , " x varies as y , " or " x is directly proportional to y . " Then of course it is also true that y xx . INVERSE VARIATION is expressed thus : x x 1 y ' which is read either " x varies inversely as y , " or " x is inversely ...
Σελίδα 13
... Read the proportion of the preceding problem as a variation , noticing that the number of men varies with two other conditions . What conditions ? 19. Mention a case of variation where one condition is determined by three other ...
... Read the proportion of the preceding problem as a variation , noticing that the number of men varies with two other conditions . What conditions ? 19. Mention a case of variation where one condition is determined by three other ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
amperes angle of incidence barometer block body Boyle's Law brass C₁ candle-power cell centimeter circuit Clark cell coefficient of friction coil concave mirror conjugate foci copper wire cubic current strength deflection density diagram to show diameter direction distance Draw a diagram dynes electric energy equal ergs Express the ratio Find focal length force formula given grams heat horizontal inches index of refraction internal resistance inversely iron lamp latent heat lens liquid magnetic pole mass measure mercury meter Ohm's Law ohms parallel pendulum plane poundal principal focus Prob problems produce Prof proportion represent resultant solid specific gravity square surface tangent galvanometer temperature thick tion total pressure tube units V₁ varies directly velocity of sound vessel vibration-number vibrations per second volts volume watts weight wheel width
Δημοφιλή αποσπάσματα
Σελίδα 1 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 2 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 161 - Remembering that the joint resistance of two (or more) circuits in parallel is the reciprocal of the sum of the reciprocals of the resistances of the several branches, we have: Fig.
Σελίδα 156 - ... and the projection of one on the other — is retrograde, or in the same direction as the motion of the hands of a watch.
Σελίδα 124 - A' MB' are similar, and A'B'^B'M AB BM' So in this case, as before, the size of the image is to the size of the object, as the distance of the image from the mirror is to the distance of the object from the mirror.