Recent content by dominicwild

Well to get the percentage you'd (X/10^-4) x 100? I think?

Yeah I don't think that the question goes quite to the extent of that depth. Assuming that those are the values without any volume change.

I've been trying to re-arrange \rho=\frac{m}{V} But every time It either gets too messy, or end up getting stuck on trying to get what I want from it. I've been messing around with equations and re-arranging but it's got me no where. Sorry if I'm a a bit slow on understanding this. Thank you...

Homework Statement "An alloy of copper and tin has a volume of 100cm^3. The density of the copper is 8900 kgm^-3 and tin 7300kgm^-3. How much volume of each metal must be used if the alloy is to have the density of 7620kgm^-3? Homework Equations Volume x density = Mass The...