How Do You Find the Density of Saturn?
Just as a reminder, we define density as: This means that we really need to determine two things. First, we need the mass of Saturn. Second, we need the volume. We can get the volume if we know the radius of Saturn. Volume Technically, Saturn isn’t ...
RP 5: MythBusters: How small could a lead balloon be?
On a previous episode of The MythBusters, Adam and Jamie made a lead balloon ... of Volume to Surface area, I have: The key point is that if I double the length of the side of the cube, I increase the volume (and lift) by a factor of (2)(2)(2) =8.
What makes things float?
In other words, it is how much mass is in a certain volume. Let's say you have two objects ... The amount of force the water is exerting upward on the cube of air depends on the area (or amount of surface) of the cube that it is pushing against.
A lifetime of energy in the palm of your hand - IFR FaD 4
One TOE = 11,630 kilowatt hours, for a lifetime total of 8 million kW-hr ... I did back then: A cube of DU sufficient for an American lifetime would be about 0.92 on a side. Figuring a little extra, at .95 on a side, give a volume of
Can Huge Man-Made Lakes Fix Our Rising Sea Levels?
The total amount of land to cover is about 1e5 of the ocean's volume, or .001%. The surface area of the oceans is ~3.3e8 km^2 and if you imagine adding 1m of sea level evenly over that area you have a cube of .001km*3.3e8 km^2=3.3e5 km^3 of water ...