First you have to know the area that the ton is exerting pressure on.
20 Megaton [Mt] = 705479238991.61 Ounce [oz]
20,000 pounds = about 9.1 tonnes. (divide pounds by 2,204.6 to get tonnes).
18 tonnes (metric tons, same as 1000 kilograms) are 39683 pounds.
2000 pounds = 1 ton 2000x20 pounds = 20 tons 40,000 pounds = 20 tons
20
I think this is the correct way to convert 20 tons/m2 to M Pa:(20 tonf/m2) * (2000 lbf / 1 tonf)*(4.4482 N/ 1 lbf)177928 N/m21 N/m2 = 1 Pa, so in order to find Mega Pascals divide by 1 million0.177928 M Pa
1000 pounds per square inch (ksi) = 6894.76 kPa, so 1 ton (2000 pounds) per square inch = 13789.52 kPa,and 20 tons per square inch = 275790.4 kPa = 275.7904 MPa[megaPascal].I used ConvertWorld to help with the conversions. See related link.20 tons per square inch = 275.790 megapascals20 tons/in2 = 40000 pounds/in2 (psi)Multiply psi by 0.006894759087 to convert from psi to MPa40000 psi * 0.006894759087 MPa/psi = 275.790 (Googled the conversion rate)
20 Megaton [Mt] = 705479238991.61 Ounce [oz]
20,000 pounds = about 9.1 tonnes. (divide pounds by 2,204.6 to get tonnes).
mega = million. so megaton = million tons. Often used as a comparative power, where the tons referred to are tons of TNT. So, the Hiroshima bomb was about 20kt. = 20 000 tons of TNT. Naturally, this unit ignores effects beyond simple blast, effects such as heat and radiation.
29mt
20 gigalitres = 20,000 mega litres
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