a rock has a volume of 15 cm cube and a mass of 45 kg. what is its density?
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4
Answer:
You have a rock with a volume of 15cm3 and a mass of 45 g. Density is mass divided by volume, so that the density is 45 g divided by 15cm3, which is 3.0 g/cm3.
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Density= Mass/Volume
We have cm so we have to convert it to m
1cm=1/100m
15cm=1/100*15=15/100=3/20m
= D= 45/3/20
= D= 45*20/3
= D= 900/3
= D= 300
We have cm so we have to convert it to m
1cm=1/100m
15cm=1/100*15=15/100=3/20m
= D= 45/3/20
= D= 45*20/3
= D= 900/3
= D= 300
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