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anonymous
 one year ago
Just want to make sure i am doing this problem correctly, or if i am way off..
Imagine that you place a cork measuring 1.3cm x 5.5cm x 3.0cm in a pan of water and on top of the cork you place a small cube of lead measuring 1.15cm on each edge. The density of the cork is 0.235 g/cm^3 and the density of the lead is 11.35 g/cm^3. Will the combination of cork plus lead float or sink?
anonymous
 one year ago
Just want to make sure i am doing this problem correctly, or if i am way off.. Imagine that you place a cork measuring 1.3cm x 5.5cm x 3.0cm in a pan of water and on top of the cork you place a small cube of lead measuring 1.15cm on each edge. The density of the cork is 0.235 g/cm^3 and the density of the lead is 11.35 g/cm^3. Will the combination of cork plus lead float or sink?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1441237294565:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Lead ~ 1.15cm x 1.15cm x 1.15cm

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0First I got the Volume of each Volume Cork = 21.45cm^3 Volume Lead = 1.52cm^3 Then i got the mass of each Mass Cork = 5.04g Mass Lead = 17.252g I don't know what do do now though.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0If it floats, the density is less than 1.00g/mL or 1.00g/cm^3 If it sinks, the density is greater than 1.00g/mL or 1.00g/cm^3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You were correct on combining the masses, now combine the volume to get its combined density.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So would the combined density be .97g/cm^3? this is with the long calculations Because if you do just the densities combined it = 11.585.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Because water density is usually at 1.00g/ml

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yea, I got that also.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok thanks, so it would float?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Nope, you not add it because the question is asking will the "combination" of both sink? Even if lead sinks, the cork would not.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It would float because with the calculations the total density is less that 1g/ml

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The lead is not dense enough to make the lead able to sink.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Savannah_Lynn13 ok thanks, so it would float? Yes, it would.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Savannah_Lynn13 So would the combined density be .97g/cm^3? this is with the long calculations Because if you do just the densities combined it = 11.585. Nope, you not add it because the question is asking will the "combination" of both sink? Even if lead sinks, the cork would not.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Nice work attempting to solve the problem.
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