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The speed, achieved by the human body in free fall, is a function of several factors; including the body's mass, orientation, and skin area and texture. [1] In stable, belly-to-earth position, terminal velocity is about 200 km/h (120 mph). Stable freefall head down position has a terminal speed of 240–290 km/h (around 150–180 mph).
EX127 at 120 mph on Pendine Sands EX127 was built for Eyston, but initially driven by Eldridge. With this car, MG claimed a number of class records at Montlhéry in late 1931 [ 4 ] and reached a speed of 120 mph on Pendine Sands in February 1932.
Based on air resistance, for example, the terminal speed of a skydiver in a belly-to-earth (i.e., face down) free fall position is about 55 m/s (180 ft/s). [3] This speed is the asymptotic limiting value of the speed, and the forces acting on the body balance each other more and more closely as the terminal speed is approached. In this example ...
Of the 42 hurricanes currently considered to have attained Category 5 status in the Atlantic, 19 had wind speeds at 175 mph (78 m/s; 152 kn; 282 km/h) or greater. Only 9 had wind speeds at 180 mph (80.5 m/s; 156 kn; 290 km/h) or greater (the 1935 Labor Day hurricane, Allen, Gilbert, Mitch, Rita, Wilma, Irma, Dorian, and Milton).
A communications tower atop the summit of Maui's Haleakala around 10,000 feet recorded a gust of 120 mph. At least one rock slide was also reported on Maui, with a giant boulder blocking a travel ...
Firearm muzzle velocities range from approximately 120 m/s (390 ft/s) to 370 m/s (1,200 ft/s) in black powder muskets, [3] to more than 1,200 m/s (3,900 ft/s) [4] in modern rifles with high-velocity cartridges such as the .220 Swift and .204 Ruger, all the way to 1,700 m/s (5,600 ft/s) [5] for tank guns firing kinetic energy penetrator ammunition.
SI, and hence the use of "km/h" (or "km h −1 " or "km·h −1 ") has now been adopted around the world in many areas related to health and safety [36] and in metrology [37] in addition to the SI unit metres per second ("m/s", "m s −1 " or "m·s −1 "). SI is also the preferred system of measure in academia and in education.
Never exceed speed: 270 km/h (170 mph, 150 kn) in smooth air; 200 km/h (110 kn; 120 mph) in rough air 180 km/h (97 kn; 110 mph) on aero-tow 150 km/h (81 kn; 93 mph) on winch launch. g limits: +5.3 -2.65; Maximum glide ratio: 55:1 at 95 km/h (51 kn; 59 mph) Rate of sink: 0.44 m/s (87 ft/min) at 75 km/h (40 kn; 47 mph)