Constructive Text-book of Practical Mathematics, Volume 2, Part 1

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J. Wiley & sons, Incorporated, 1913 - Mathematics

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Page 82 - It has been found by experiment that the weight of a body varies inversely as the square of its distance from the center of the earth. If a...
Page 28 - The hypotenuse of a right triangle is the side opposite the right angle. The sides including the right angle are sometimes called the arms of the right triangle.
Page 86 - It has been found by experiment that the distance a body falls from rest varies as the square of the time.
Page 83 - Given that the area of a circle varies as the square of its...
Page 301 - The characteristic of a number less than 1 is found by subtracting from 9 the number of ciphers between the decimal point and the first significant digit, and writing — 10 after the result.
Page 44 - P = mean effective pressure in pounds per square inch; L = length of stroke in feet; A =area of piston in square inches; N = number of strokes per minute = revolutions per minute x 2.
Page 245 - The logarithm of a fraction is equal to the difference obtained by subtracting the logarithm of the denominator from the logarithm of the numerator : log (a/6) = log a — log 6.
Page 99 - The rates of diffusion of gases are inversely proportional to the square roots of their densities.
Page 83 - Find the thickness of the metal, knowing that the volume of a sphere varies as the cube of its diameter.
Page 144 - It was stated in paragraph 43, that if both the numerator and denominator of a fraction be multiplied or divided by the same quantity, the value of the fraction is unchanged.

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