Elementary Practical MathematicsMacmillan and Company, Limited, 1899 - 404 páginas |
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Página 10
... cubic foot . As the base contains 144 square inches , the volume is 1728 cubic inches . Ꭰ A B As already mentioned in the case of the unit of length , with one or two exceptions , bodies expand by heat and contract when cooled ; hence ...
... cubic foot . As the base contains 144 square inches , the volume is 1728 cubic inches . Ꭰ A B As already mentioned in the case of the unit of length , with one or two exceptions , bodies expand by heat and contract when cooled ; hence ...
Página 11
... cubic foot . Also there are three of these cubes in each row , making in all 3 x9 = 27 . Thus 1 cubic yard = 27 cubic feet , i.e. 3x3x3 = 27 , and the weight of a cubic yard of pure water would be 27 × 62.3 lbs . = 1682.1 lbs . In this ...
... cubic foot . Also there are three of these cubes in each row , making in all 3 x9 = 27 . Thus 1 cubic yard = 27 cubic feet , i.e. 3x3x3 = 27 , and the weight of a cubic yard of pure water would be 27 × 62.3 lbs . = 1682.1 lbs . In this ...
Página 12
... cubic decimetre or 1000 cubic centimetres ( Fig . 7 ) , and is equal to 1.76 English pints . We have found that the unit of area is , for convenience , taken to be one square centimetre , and the corresponding unit of volume will be the ...
... cubic decimetre or 1000 cubic centimetres ( Fig . 7 ) , and is equal to 1.76 English pints . We have found that the unit of area is , for convenience , taken to be one square centimetre , and the corresponding unit of volume will be the ...
Página 13
... cubic decimetre , or litre , of pure water , at its temperature of maximum density 4 ° C. It is now defined to be ... cubic centimetres ( c.c. ) a gram is the weight of a cubic centimetre of water at a temperature of 4 ° C. The gram is ...
... cubic decimetre , or litre , of pure water , at its temperature of maximum density 4 ° C. It is now defined to be ... cubic centimetres ( c.c. ) a gram is the weight of a cubic centimetre of water at a temperature of 4 ° C. The gram is ...
Página 14
... cubic centimetres of any quantity of water at 4 ° C. , we know also its weight in grams . FIG . 9. - The Kilogram . From Aldous's Course of Physics ( Macmillan ) . It is advisable to remember that there are 453 59 grams in a pound ...
... cubic centimetres of any quantity of water at 4 ° C. , we know also its weight in grams . FIG . 9. - The Kilogram . From Aldous's Course of Physics ( Macmillan ) . It is advisable to remember that there are 453 59 grams in a pound ...
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Términos y frases comunes
algebraical angular velocity arithmetical axis base calculate called cent centimetre centre of gravity circle circumference cosine cubic centimetre cubic foot curve cylinder decimal denominator denote diameter distance divided division Draw equal equation EXERCISES expression factors feet figure Find the area find the number Find the value foot force fraction frustum funicular given number Hence horizontal line inclined intersection joining logarithms magnitude mantissa mass means measure method moment of inertia multiplied number of units numerical value obtained ordinates parallel parallelogram perpendicular planes of projection polygon protractor quantity radians radius ratio rectangle represented result rhombus right angles scale sides similar manner Simpson's rule sine slide slide rule specific gravity square inches square root squared paper straight line subtract surface tangent unit of length vectors velocity vertical volume weight yard
Pasajes populares
Página 16 - Therefore, the specific gravity of a solid or a liquid body is the ratio of its weight to the weight of an equal volume of water...
Página 228 - Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles.
Página 310 - But we know that a force may be represented in a purely graphical manner by a straight line in the direction of the force containing as many units of length as there are units of force in the force. The end of this line is marked with an arrow head to show in which direction the force acts. According to this method each force is drawn in its proper position in the diagram of configuration of the frame. Such a diagram might be useful as a record of the result of calculation of the magnitude...
Página 230 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Página 45 - If the numerator and denominator of each fraction is multiplied (or divided) by the same number, the value of the fraction will not change. This is because a fraction b/b, b being any number, is equal to the multiplicative identity, 1 . Therefore, Hx8.= 88 _5_x!
Página 70 - Proportional, when the ratio of the first to the second is equal to the ratio of the second to the third.
Página 147 - If the given number is greater than 1, make the characteristic of its logarithm one less than the number of figures to the left of the decimal point in the number.
Página 377 - GENERAL INSTRUCTIONS. — If the rules are not attended to the paper will be cancelled. — You may take the Elementary, or the Advanced, or the Honours paper, but you must confine yourself to one of them.
Página 149 - The logarithm of the quotient of two positive numbers is found by subtracting the logarithm of the divisor from the logarithm of the dividend. (6) The logarithm of a power of a positive number is found by multiplying the logarithm of the number by the exponent of the power. For, N" = (oT)
Página 175 - From the top of a hill the angles of depression of two successive milestones, on a straight level road leading to the hill, are observed to be 5° and 15°.