• anonymous
aluminum is used to make airplanes and cast iron is used in weight lifting equipment. Explain why the densities of these metals make them useful for these purposes.
  • Stacey Warren - Expert
Hey! We 've verified this expert answer for you, click below to unlock the details :)
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
  • chestercat
I got my questions answered at in under 10 minutes. Go to now for free help!
  • aaronq
This is mostly common sense based on what you know about planes and weight (e.g dumbells) First know that the definition of density is: \(\sf \color{green}{ density=\dfrac{mass}{volume}}\) Planes are built to fly, right? so they must be light, meaning that for a given volume, there shouldn't be much mass ( a lot of atoms) - low density. what about weights? you want as compact of an object to focus the weight minimally, so you want lift a lot (if that's what you're into). so for a given volume, there should be a lot of mass - a high density. look into sphere packing densities for more in depth stuff

Looking for something else?

Not the answer you are looking for? Search for more explanations.