14) A solid metallic block measures 1.5m long, 0.4m wide and 0.25m high. The solid is made of material of density 7.5 g/cm². Calculate its mass in kg.
(3 marks)

Step-by-step explanation:

To find the mass in kg we must first convert the density from g/cm³ to kg/m³

That's 7.5 g/cm³ = 7500kg/m³

Density = mass / volume

Volume of block = 1.5 × 0.4 × 0.25

= 0.15m³

mass = Density × volume

= 7500 × 0.15

Hope this helps you

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