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Settling velocity W s of a sand grain (diameter d, density 2650 kg/m 3) in water at 20 °C, computed with the formula of Soulsby (1997). When the buoyancy effects are taken into account, an object falling through a fluid under its own weight can reach a terminal velocity (settling velocity) if the net force acting on the object becomes zero.
The upper reaches of Dartmoor, especially those on the Dart, are a focal point for whitewater kayakers and canoeists. The best known sections of the river are: Upper Dart from Dartmeet to Newbridge (Grade 3/4 (higher in high water), advanced run). [15] The Loop from Newbridge to Holne Bridge (Grade 2/3, beginner/intermediate run). [15]
Generally speaking, a heavier dart will require a larger flight. [17] The choice of barrel, shaft, and flight will depend a great deal on the individual player's throwing style. For competitive purposes, a dart cannot weigh more than 50 g (1.8 oz) including the shaft and flight and cannot exceed a total length of 300 mm (12 in). [20] [11]
The river was first known by its Māori name of Te Awa Whakatipu, with te awa literally translating as 'the river'. [7] The name Whakatipu is shared with several nearby geographic features, including Lake Wakatipu [a] and Whakatipu Kā Tuka (the Hollyford River) though this name is an archaic term and its original meaning is no longer known. [8]
The Dartmouth and Torbay Railway was authorised by its act of Parliament, the Dartmouth and Torbay Railway Act 1857 (20 & 21 Vict. c. ciii) to establish a steam ferry across the Dart from its station and agreed to purchase the ferries, although this was not completed until 18 November 1873, by which time the railway was a part of the South ...
The Loop is named as such because of the shape of its meander, much like a loop of string.. This section's length is approximately 3 miles (4.8 kilometres), but to drive by car from start to finish is only 1.3 miles (2.1 kilometres) because of river and road geography.
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Long title: An Act for establishing a floating Bridge over the Harbour of Dartmouth, from or near to Lower Sand Quay Point to Old Rock, in the County of Devon; and for building Quays and Landing Places, and for making Roads and Approaches thereto, with Branches therefrom. Citation: 11 Geo. 4 & 1 Will. 4. c. cxxvii: Dates; Royal assent: 17 June 1830