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Pieza Metalica
Paire = 19 N
Psumergida = 17 N
g = 10 m/s²
ρ = 1000 kg/m³
Formula
E = Paire - Psumergida = 19 N - 17 N = 2 N
Recordemos que el volumen del cuerpo es el mismo que el volumen del agua desplazado.
E = ρ V g
De la que despejamos:
V = E / ρ g = 2 N / (1000 kg/m³)(10 m/s²) = 2 x 10 ⁻ ⁴ m³
ρ = m / v = (w / g) / v = (19 N / 10 m/s²) / 2 x 10 ⁻ ⁴ m³ = 9500 m³