 | Henry Taylor Bovey - 1905 - 1016 стор.
...Centrifugal Force. — Angular velocity may be defined as the number of radians per second, a radian being the angle subtended at the centre of a circle by an arc equal in length to 180° the radius. This angle is - -=57.2958 degrees, and if a wheel makes N revolutions... | |
 | Ernest Edmund Maddox - 1907 - 236 стор.
...taken from the well-known " circular measure." It is the hundredth part of a " radian," a radian being the angle subtended at the centre of a circle by an arc which is equal in length to the radius. Its ensign is an inverted delta. Circular measure has a certain... | |
 | 1907 - 936 стор.
...equal parte called seconds. For theoretical purposes we define the unit angle to be the angle «Mauled at the centre of a circle by an arc equal to the ratlins. This In many treatises the radian Flo. 13. angle we call a "radian.1 measure of an angle is... | |
 | Edgar Thomas Larner - 1908 - 184 стор.
...is the number of radians it contains. The radian is the unit of circular measure, and is" defined as the angle subtended at the centre of a circle by an arc equal to the radius. The circular measure of one right angle or 90° is 7T. „ „ two right angles or 180° is -. three... | |
 | David Allan Low - 1910 - 576 стор.
...<al = o, then v =ft, t = i/<2, and v* = 2/i, also, ia = at, 6 = \afi, and <u2 = 2a6. * A radian is the angle subtended at the centre of a circle by an arc of that circle equal in length to the radius. Hence the number of radians in an angle or the circular... | |
 | Trinity College (Dublin, Ireland) - 1911 - 614 стор.
...assuming that the circumference of every circle has a fixed ratio to its diameter, prove that the size of the angle subtended at the centre of a circle by an arc equal to the radius is the same for all circles. 7. A clock-dial 4 feet in diameter has minute-marks on its circumference. What... | |
 | 1911 - 1096 стор.
...trigonometry the circular measure of an angle Is employed, in this system the unit angle or radian is the angle subtended at the centre of a circle by an arc equal in length to the radius. The constancy of this angle follows from the geometrical propositions —... | |
 | 1911 - 1124 стор.
...trigonometry the circular measure of an angle is employed. In this system the unit angle or radian is the angle subtended at the centre of a circle by an arc equal in length to the radius. The constancy of this angle follows from the geometrical propositions —... | |
 | William Thomson Baron Kelvin - 1911 - 621 стор.
...1/7*5. This will be expressed in degrees by multiplying by 57*3, the number of degrees in the radian, or angle subtended at the centre of a circle by an arc equal in length to the radius. Therefore, the amount of error produced by such a current on the compass will... | |
 | William Thomson Baron Kelvin, Joseph Larmor, James Prescott Joule - 1911 - 628 стор.
...This will be expressed in degrees by multiplying by 57 '3, the number of degrees in the radian, or angle subtended at the centre of a circle by an arc equal in length to the radius. Therefore, the amount of error produced by such a current on the compass will... | |
| |
Radian is the angle subtended, at the centre of a circle, by an arc equal in length to the radius... 
