Question

A wooden block of dimensions 3m×2.5m×1.5m is placed in water. If relative density of wood is 0.6, calculate the mass of the block
(Take, density of water = 10^3 kg/m^3

Answer 1

Answer:

Relative density = Density of substance / Density of water

0.6 = Density of wood / 1000

Density of wood = 0.6 × 1000

= 600kg/m^3

Volume of wooden block = 3 × 2.5 ×1.5

= 11.25m^3

Density of wood = mass of wood / volume of wood

600=mass of wood / 11.25

mass of wood = 600 × 11.25

= 6750 kg

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