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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).
The heating value depends on the source of gas that is used and the process that is used to liquefy the gas. The range of heating value can span ±10 to 15 percent. A typical value of the higher heating value of LNG is approximately 50 MJ/kg or 21,500 BTU/lb. [2] A typical value of the lower heating value of LNG is 45 MJ/kg or 19,350 BTU/lb.
While the external payload remained at 24 of 500 pounds (230 kg) or 750 pounds (340 kg) bombs, the internal capacity increased from 27 to 84 for 500 lb (230 kg) bombs, or from 27 to 42 for 750 lb (340 kg) bombs. [168] The modification created enough capacity for a total of 60,000 pounds (27,000 kg) using 108 bombs.
At 1 atm pressure, it reaches its maximum density of 999.972 kg/m 3 (62.4262 lb/cu ft) at 3.98 °C (39.16 °F). [ 54 ] [ 55 ] Below that temperature, but above the freezing point of 0 °C (32 °F), it expands becoming less dense until it reaches freezing point, reaching a density in its liquid phase of 999.8 kg/m 3 (62.4155 lb/cu ft).
Transport costs can reach 50¢ per pound ($1.10/kg) or higher in some remote areas during times of inclement weather or rough terrain conditions, if these locations can be reached at all. The cost of delivering a gallon (3.8 L) of milk is about $3.50 in many villages where per capita income can be $20,000 or less.
The fuel load was a thousand pounds heavier than any the Spirit had lifted during a test flight, and the fully loaded airplane weighed 5,200 pounds (2,400 kg; 2.6 short tons). [ 65 ] [ 66 ] With takeoff hampered by a muddy, rain-soaked runway, the plane was "helped by men pushing at the wing struts," with the last man leaving the wings only one ...
One of the three Kitty Hawk-class aircraft carriers, America had a total length of 1,048 feet (319 m) and a width of 248 feet (76 m), and room for almost 5,200 officers and sailors. Forty years later, it would be scuttled on May 14, 2005, after being retired and put through live weapons testing, and would become the largest warship in history ...