Recent content by Einherjer

Does Betz law apply to helicopters? I.e will maximum 59% of power supplied by an helicopter actually provide lift?

Just started on Michael Spivaks Calculus, going fine so far, but generalizing to n always messes me up. Homework Statement prove that If 0≤x<y, then x^n<y^n, n=1,2,3,... The Attempt at a Solution I have managed to to prove that x^2<y^2. But I'm i don't quite get how to generalize to n...

Math and arithmetic is kind off two different skills. If you want to get good at arithmetic. Begin practicing with an abacus and you will soon become faster at it in the head than on the calculator.

Okay, first of all. Your IQ is so profoundly irrelevant that it is hard to even get started. The IQ only measures one thing, and that is your ability to solve IQ quizes. A skill like any other. If you train consistently on IQ quizes anybody can get an 300 IQ score. You can't do statistics with...