Question

the level of water in a measuring cylinder rose to 90cm³ mark when a piece of stone whose mass is 10 g was dropped in the measuring cylinder. the initial volume of the water as 50 cm³ calculate the density of the rock
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Answer 1

Answer:volume of rock = 90cm³-50cm³=40cm³

density=mass/volume    =10/40  =0.25g/cm³

Explanation:we can also write it as 2.5kg/m³