A block of glass is 30 cm long,25cm wide, and has a thickness of 2 cm.find its density if its mass is 7.5kg
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Answer:
volume of the glass = length × breadth × height
= 30 cm × 25 cm × 2 cm
= 1500 cm^3
mass = 7.5kg
= 7.5 × 1000 g
= 7500g
density = mass/volume
= 7500g/1500cm^3
= 5g/cm^3
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