Ah good point. It doesn't really. I was trying to say something like: Suppose it takes 20 W to be able to transmit 1 W through the air. While the 1 W tranmission only loses 5% of it's energy while being transmitted, it actually took 20 W to get the point where we could transmit 1 W of...
The floor would feel the same total force regardless of weather you bent your knees or not as you land on the floor. The key factor here is time. If you bend your knees when you land there is less force felt on the floor for a longer time. If you don't bend your knees there is a larger force...
I realize it has been about 3 years since the last post. I just wanted to say that I have conducted a few wireless experiments myself. It is very easy, just hook up a coil of wire to an ac source and then take an led and hook it up to another coil. Bring the coils together and the led will...