LINKTV Democracy Now October 2, 2013
Which one is heavier . The lead ball. The lead ball. Well, you dont really have enough information to say. But let me ask you another question. Which is more dense . The lead ball. What does it mean to say dense . More packed together. More packed together. More compact, right . More scrunched up. And isnt this lead ball, even without weighing it, you can tell this is more dense than this. So were gonna talk about a definition, gang, and the definition is density. Density, here we go. Two kinds of density mass density and weight density. We can say mass density is simply the amount of mass per...