A rectangular block is slowly pushed face - down into a liquid. The block has height d. The cross - sectional area of the block A = 5cm2. The figure shows the apparent weight (Wapp) of the block as a function of depth h of its lower face, then the density of liquid is (g=10m/s2)

Engineering

Physics

Statics

Question

A rectangular block is slowly pushed face - down into a liquid. The block has height d. The cross - sectional area of the block A = 5cm². The figure shows the apparent weight (W_app) of the block as a function of depth h of its lower face, then the density of liquid is (g=10m/s²)

0.5 × 10³ Kg/m³

2 × 10³ Kg/m³

10³ Kg/m³

1.5 × 10³ Kg/m³

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0.25 – 0.1 = F_buoyancy = (Adρ_liquid) × g
0.15 = 5 × 10^{– 4} × 1.5 × e_liquid × 10

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