Need help with physics.

- Density Table 3C Material Density (kg/L) Wood 0.40 Gasoline 0.68 Apple 0.83 3D Ice 0.92 Human 0.95 Water 1.00 Glass 2.70 Diamond 3.51 3A 3B Titanium 4.50 3E Steel 7.80 Copper 3.96 Lead 11.34 Gold 19.32 2.85 kg 100.00 L- Density Table 3C Material Density (kg/L) Wood 0.40 Gasoline 0.68 Apple 0.83 3D Ice 0.92 Human 0.95 Water 1.00 Glass 2.70 Diamond 3.51 3B Titanium 4.50 3E Steel 7.80 Copper 8.96 Lead 11.34 Gold 19.32 0.00 kg 102.85 L 3A