Im doing stat for the first time this year after having taken calc. As I am sitting in class i sit and wonder what sort of interesting things can you do with stat. I can see the use of it and some of its importance, but what are some really cool things to do with stat.
If the area enclosed by an ellipse 4x^2+y^2=1 and its cross section is perpendicular to the x-axis then its volume is?
I don't have the slightest clue how to do this?
Maybe solve for 2y^2=1-4x^2 set the integral equal to pi times the intergral of 1/4 to 1 of 1-4x^2?
How do you get the volume of an expanding object?
For example:
A sphere's is increasing at 12ft/sec, the volume is 36, how fast is the surface area of a sphere
V=4*pi*r^3/3 S=4*pi*r^2
dV/dt= 12
So i took the derivative of the volume function
dV/dt=4*pi*r^2*dr/dt
12=4*pi*r^2*dr/dt...
i understand the theory behind the washer method, but what i don't get is the application of the theory, i don't understand how to set up the equations
if you have a chemical like C2H4 and you add Br2 to get the change in energy would you have to break every bond and add it up and then subtract something. If you do have to subtract something what would it be. The bond energy of each bond maybe.
I don't understand how to set up the washer and shell equations. When you are given the function and the line to rotate it around, or two functions and a line.
Yeah the series does go down hill after Dune I got through half of his second book Dune:Messiah before I tossed it and I couldn't bring myself to read anymore of his books. His son also wrote 5 or 6 books continuing the series. These books took place before the first Dune book and I found them...
Has anyone heard of RSA? Its the cipher used by the NSA, CIA and probably most other government agencies. Its a cipher that uses one way arithimetic(easy to do almost impossible to undo). Anyway a type of computer is being developed to crack this form cipher called the Quantum computer and I was...
Of course we can't measure the uncertainty principle the idea is that the different possibilities exist in separate universes or exsist at the same time the second you open that box the cat becomes either dead or alive. However, there was an experiment done with light put through a small hole...