Answer:
1.03×10³ kg/m³
Explanation:
β = Bulk modulus = 2.34×10⁹ N/m²
f = Frequency = 1000 Hz
λ = Wavelength = 1.51 m
ρ = Density
Speed of the wave
v = fλ
⇒v = 1000×1.51
⇒v = 1510 m/s
Speed of sound
[tex]v=\sqrt{\frac{\beta}{\rho}}\\\Rightarrow \rho=\frac{\beta}{v^2}\\\Rightarrow \rho=\frac{2.34\times 10^9}{1510^2}\\\Rightarrow v=1026.27\ kg/m^3[/tex]
Density of seawater is 1.03×10³ kg/m³ or 1.03 g/cm³ (rounding)