A gold necklace has a mass of 40grams and a volume of 2cubic centimeters. What is its density?
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A gold necklace has a mass of 40grams and a volume of 2cubic centimeters. What is its density?
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Answer:
density = mass (kg) * volume (cu m)
so here you have to first convert 40g into kg and 2 cm^3 into cubic m
so it's
0.04 kg * 0.02m
= 0.008 kg/m^3 (ans)