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An American football field, including both end zones, is 360 by 160 ft (120.0 by 53.3 yd; 109.7 by 48.8 m), or 57,600 square feet (5,350 m 2) (0.535 hectares or 1.32 acres). A Canadian football field is 65 yards (59 m) wide and 110 yards (100 m) long with end zones adding a combined 40 yards (37 m) to the length, making it 87,750 square feet ...
Country / region Average male height Average female height Stature ratio (male to female) Sample population / age range Share of pop. over 18 covered [9] [10] [b] Method
The standard acceleration of gravity or standard acceleration of free fall, often called simply standard gravity and denoted by ɡ 0 or ɡ n, is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is a constant defined by standard as 9.806 65 m/s 2 (about 32.174 05 ft/s 2).
In May 1831, the first 500 rails, each 15 feet (4.6 m) ... The trend was to increase rail height/foot-width ratio and strengthen the web.
It is also known as the strength-to-weight ratio or strength/weight ratio or strength-to-mass ratio. In fiber or textile applications, tenacity is the usual measure of specific strength. The SI unit for specific strength is Pa ⋅ m 3 / kg , or N ⋅m/kg, which is dimensionally equivalent to m 2 /s 2 , though the latter form is rarely used.
The first metric Melbourne Cup was raced in November 1972. An early change was the metrication of horse racing. This was facilitated because the furlong (one-eighth of a mile) is close to 200 m. Therefore, the Melbourne Cup was changed from 2 mi to 3,200 m, a reduction of 19 m or about 0.6%. The first metric Melbourne Cup was raced in November ...
The volume of the limbs and branches can be significant. For example, the Middleton Live Oak (Quercus virginiana), height 67.4 feet, dbh 10.44 feet, crown spread 118 feet) was found to have a trunk volume of 970 ft 3 (24.5 m 3) and a branch volume of 3,850 ft 3 (109 m 3) [15] The branch volume was almost
In the female side, the straddler Rosemarie Ackermann of East Germany, who was the first female jumper ever to clear 2 m (6 ft 6 + 1 ⁄ 2 in), raised the world record from 1.95 m (6 ft 4 + 3 ⁄ 4 in) to 2.00 m (6 ft 6 + 1 ⁄ 2 in) during 1974 to 1977. In fact, from 2 June 1977 to 3 August 1978, almost 10 years after Fosbury's success, the ...