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WAEC - Physics (2010 - No. 3)

What is the density of a fuel of relative density 0.72? [Density of water = 1000kg m-3]
72 kgm-3
720 kgm-3
7200 kgm-3
72000 kgm-3

Объяснение

P = 0.72 x 1000 = 720

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