un resort este deformat cu 5 decimetri de o forta de 3k newton care este constanta elastica b cat este forta care deformeaza acelasi resort cu 900 de mm

1/0.14nm = 10^10/1.4 a lot

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.