Question

A cube of glass of 5cm side and mass 306g has a cavity inside it if density of glass is 2.55gcm cube .Find the volume of the cavity

Answer 1

No more answers sorry

Answer 2

Vol of cube = 125 cm^3

Density of glass = 2.55 g /cm^3

So mass is to be = 318.75 g

But is has only 306 g

So mass missing is 318.75-306 = 12.75 g

Hence volume missing i.e. volume of cavity = 12.75/2.55 = 5 cm^3

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