A 1.5 kg crate falls from a height of 2.0 m onto an industrial spring scale with a spring constant of 1.5 x 105 N/m. At its greatest compression the reading on the scale is:

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.

answerdmitry mendeleyev made a workable classification of the elements

false

hope this : d