(1) A rectangular metal block with mass 18 kg has
dimensions 0.1 m X0.15 m +0.2 m. Calculate the volume
of the block and thus its density.

Volume=0.003m^3

Density=6000kg/m^3

Explanation:

mass =18kg

Volume of block=length x width x height

Volume of block=0.1x0.15x0.2

Volume of block=0.003m^3

Density=mass ➗ volume

Density=18 ➗ 0.003

Density=6000kg/m^3

the independent variable, or the one that is intentionally manipulated is the speed.

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.