An iron sinker (density 7,8 g cm-3) is to be used to make a 100 Noak board (density 0,80 g cm-3) barely float in water.
Posted: Wed May 18, 2022 6:32 am
An iron sinker (density 7,8 g cm-3) is to be used to make a 100 Noak board (density 0,80 g cm-3) barely float in water. What must be the weight of the sinker if it is (a) placed on top of the board, and (b) tied to the bottom? (a) On top: (V water = Vboard EV mm) Pb (b) Bottom: