floating Link to heading

Aρ1ρ2h1h2

$$\tag{1} \rho_2 = \left( 1 + \frac{h_1}{h_2} \right) \rho_1 $$

sinking $(h_1 = 0)$ Link to heading

Aρ1ρ2h2

$$\tag{2} \rho_2 \le \rho_1 $$

buoyant $(h_1 = 0)$ Link to heading

Aρ1ρ2h2

$$\tag{3} \rho_2 = \rho_1, \ \ \ \ v_y(0) = 0 $$