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If a comet with this speed fell to the Earth it would gain another 63 MJ/kg, yielding a total of 2655 MJ/kg with a speed of 72.9 km/s. Since the equator is moving at about 0.5 km/s, the impact speed has an upper limit of 73.4 km/s, giving an upper limit for the specific energy of a comet hitting the Earth of about 2690 MJ/kg.
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.
The mung bean is recognized for its high nutritive value. A mung bean contains about 55–65% carbohydrate (equal to 630 g/kg dry weight) and are rich in protein, vitamins, and minerals. [48] It is composed of about 20–50% protein of total dry weight, among which globulin (60%) and albumin (25%) are
Some cultivars, if left unpruned, grow very large—letting them bear more fruit, but making harvesting more difficult. Depending on tree density (number of trees planted per unit surface area), mature trees typically bear 40–200 kg (90–440 lb) of apples each year, though productivity can be close to zero in poor years.
Uncooked amaranth grain by weight is 12% water, 65% carbohydrates (including 7% dietary fiber), 14% protein, and 7% fat (table). A 100-gram ( 3 + 1 ⁄ 2 -ounce) reference serving of uncooked amaranth grain provides 1,550 kilojoules (371 kilocalories) of food energy , and is a rich source (20% or more of the Daily Value , DV) of protein ...
The abundance of ytterbium in the Earth's crust is about 3 mg/kg. [ 13 ] As an even-numbered lanthanide, in accordance with the Oddo–Harkins rule , ytterbium is significantly more abundant than its immediate neighbors, thulium and lutetium , which occur in the same concentrate at levels of about 0.5% each.
The charger typically adds about 400 grams (0.88 lb) to the overall transporting weight of a laptop, although some models are substantially heavier or lighter. Most 2016-era laptops use a smart battery, a rechargeable battery pack with a built-in battery management system (BMS). The smart battery can internally measure voltage and current, and ...
It is a medieval loan from Arabic al-kuḥl, a powdered ore of antimony used since antiquity as a cosmetic, and retained that meaning in Middle Latin. [23] The use of 'alcohol' for ethanol (in full, "alcohol of wine") was first recorded in 1753. Before the late 18th century the term alcohol generally referred to any sublimated substance. [24]