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The Official Table of Drops, formerly issued by the British Home Office, is a manual which is used to calculate the appropriate length of rope for long drop hangings. Following a series of failed hangings, including those of John Babbacombe Lee , a committee chaired by Henry Bruce, 1st Baron Aberdare was formed in 1886 to discover and report on ...
Can I tie a knot on a foot-long rope that is one inch thick? In terms of ropelength, this asks if there is a knot with ropelength 12 {\displaystyle 12} . The answer is no: an argument using quadrisecants shows that the ropelength of any nontrivial knot has to be at least 15.66 {\displaystyle 15.66} . [ 1 ]
Alternatively, 1 metre (3 ft 3 in) of string is spliced into the original string, and the extended string rearranged so that it is at a uniform height above the equator. The question that is then posed is whether the gap between string and Earth will allow the passage of a car, a cat or a thin knife blade.
However, rope manufacturers give only the rope’s impact force F 0 and its static and dynamic elongations that are measured under standard UIAA fall conditions: A fall height h 0 of 2 × 2.3 m with an available rope length L 0 = 2.6m leads to a fall factor f 0 = h 0 /L 0 = 1.77 and a fall velocity v 0 = (2gh 0) 1/2 = 9.5 m/s at the end of ...
Multi-pitch climbing is a type of climbing that typically takes place on routes that are more than a single rope length (circa 50 to 70 metres) in height (or distance), and thus where the lead climber cannot complete the climb as a single pitch.
The Sidu River Bridge in China is one of the world's highest bridges, soaring at a height of about 1,627 feet above the Sidu River Gorge. Completed in 2009, it was once the world's highest bridge ...
Apart from the last formula, these formulas also assume that g negligibly varies with height during the fall (that is, they assume constant acceleration). The last equation is more accurate where significant changes in fractional distance from the centre of the planet during the fall cause significant changes in g. This equation occurs in many ...
Mufasa was one of James Earl Jones' most iconic roles, and from the start, Disney's new "Lion King" movie pays tribute to his legacy.