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For example, a modern French AC58 "bullet trap" rifle grenade is 380mm long and weighs 0.5 kg (1.1 lb), [230] the equivalent of a loaded M16 magazine. [128] An M203 grenade launcher adds 1.4 kg (3 lb) to an M16's weight [231] and 40×46mm High Explosive (HE) grenades weigh 0.24 kg (0.53 lb), [232] about half the weight of a loaded M16 magazine ...
A 68 kg (150 lb) person walking at 4 km/h (2.5 mph) requires approximately 210 kilocalories (880 kJ) of food energy per hour, which is equivalent to 4.55 km/MJ. [ 15 ] 1 US gal (3.8 L) of petrol contains about 114,000 British thermal units (120 MJ) [ 52 ] of energy, so this is approximately equivalent to 360 miles per US gallon (0.65 L/100 km).
Archaic humans hunted wild horses for hundreds of thousands of years following their first arrival in Eurasia. Examples of sites demonstrating horse butchery by archaic humans include: the Boxgrove site in southern England dating to around 500,000 years ago, where horse bones with cut marks (with a horse scapula possibly exhibiting a spear wound [3]) are associated with Acheulean stone tools ...
In 1928, at age 13, Welles was already more than six feet tall (1.83 meters) and weighed over 180 pounds (82 kg). [ 13 ] : 50 His passport recorded his height as six feet three inches (191 cm), with brown hair and green eyes.
Coal sold in Cincinnati for 10 cents per bushel (94 pounds) and in New Orleans for 14 cents. [76]: 403–21 Charcoal production was very labor and land intensive. It was estimated that to fuel a typical sized 100 ton of pig iron per week furnace in 1833 at a sustained yield, a timber plantation of 20,000 acres was required. The trees had to be ...