What is the desnity of a material that has 2500 grams and a volume of 500 cubic centimeters in grams per cubic centimeter

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point