A Collection of Problems and Examples Adapted to the "Elementary Course of Mathematics.": With an Appendix Containing the Questions Proposed During the First Three Days of the Senate-House Examinations in the Years 1848, 1849, 1850, and 1851J. Deighton, 1851 - 173 σελίδες |
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Σελίδα 57
... surface . Find an expression for the height of the balloon . 3. In order to ascertain the height of a mountain , a base was measured of 2761 feet , and at either extremity of this base were taken the angles formed by the summit and the ...
... surface . Find an expression for the height of the balloon . 3. In order to ascertain the height of a mountain , a base was measured of 2761 feet , and at either extremity of this base were taken the angles formed by the summit and the ...
Σελίδα 73
... surface of a sphere by a string of given length , passing over the highest point . Required the position of equilibrium . 5. Two weights sustain each other upon two inclined planes having a common altitude , by means of a string which ...
... surface of a sphere by a string of given length , passing over the highest point . Required the position of equilibrium . 5. Two weights sustain each other upon two inclined planes having a common altitude , by means of a string which ...
Σελίδα 77
... surface ; and it is observed that the time of falling is t " less , and the velocity acquired m feet greater at one place than at the other : compare the force of gravity at the two places . 11. A stone dropped from a bridge strikes the ...
... surface ; and it is observed that the time of falling is t " less , and the velocity acquired m feet greater at one place than at the other : compare the force of gravity at the two places . 11. A stone dropped from a bridge strikes the ...
Σελίδα 85
... surface the force of gravity varies inversely as the square of the dis- tance from the earth's centre ; so that if g ' be the value of gravity at a small height h above the earth's surface , and R the earth's radius , R2 h g ' = g ( R + ...
... surface the force of gravity varies inversely as the square of the dis- tance from the earth's centre ; so that if g ' be the value of gravity at a small height h above the earth's surface , and R the earth's radius , R2 h g ' = g ( R + ...
Σελίδα 86
... surface , loses 30 seconds in 24 hours when carried to the top of a mountain . Determine the mountain's height , supposing the earth's radius to be 3958 miles . 3. At what depth below the earth's surface will a seconds ' pendulum beat ...
... surface , loses 30 seconds in 24 hours when carried to the top of a mountain . Determine the mountain's height , supposing the earth's radius to be 3958 miles . 3. At what depth below the earth's surface will a seconds ' pendulum beat ...
Άλλες εκδόσεις - Προβολή όλων
A Collection of Problems and Examples, Adapted to the Elementary Course of ... Harvey Goodwin Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
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Συχνά εμφανιζόμενοι όροι και φράσεις
angular points arithmetical arithmetical mean arithmetical series axis base bisects centre of gravity chord circle concave convex lens cos² cosec curve cylinder Describe determine diameter direction distance Divide drawn elastic balls ellipse equal equation equilibrium feet find the height Find the number find the position Find the velocity fluid focal length force geometrical focus geometrical progression geometrical series given point given velocity given weight horizontal plane hyperbola immersed inches incident inclined plane inscribed latus rectum luminous point mirror motion moving Multiply observed parabola parallel parallelogram pencil of rays perpendicular placed pressure proportional prove pullies quantities radii radius ratio reflexion refracted respectively right angle shew sides sin² specific gravity sphere spherical square St John's College straight line string passing Subtract surface tangent tower triangle vertex
Δημοφιλή αποσπάσματα
Σελίδα 111 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 128 - To divide a given straight line into two parts, so that the rectangle contained by the whole and one of the parts, shall be equal to the square of the other part.
Σελίδα 111 - If a straight line be divided into two equal parts, and also into two unequal parts, the rectangle contained by the unequal parts, together with the square on the line between the points of section, is equal to the square on half the line.
Σελίδα 112 - EQUAL straight lines in a circle are equally distant from the centre ; and those which are equally distant from the centre, are equal to one another.
Σελίδα 144 - ... a circle. The angle in a semicircle is a right angle: the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 160 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Σελίδα 112 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Σελίδα 160 - In any right-angled triangle, the square which is described upon the side subtending the right angle, is equal to the squares described upon the sides which contain the right angle.