lgs

1) weight= mass x gravity mass= density x volume volume= area x height volume= 10 x 2= 20 mass= 20 x 2= 40g 40g=0.04kg weight= 0.04 x 10= 0.4N 2) P= 0.4/2 x 0.01 P= 2000Pa 3) I need help with this last part myself. If someone would be so kind as to help.