Jun 12
4
Posted by admin on 2012/06/04
Posted in Travel And Leisure? | Tagged With: activities, energy, generate, leisure, lift, things, used
Question by sharpeye.com: How does air generate energy, how is it used for leisure activities, and how does it lift things in the air?
So, I would want to know how air can generate energy, like windmills. And, also, how it?s used for leisure, whatever that means. And how can it lift things; I?m supposing some giant airborne machines like hot-air balloons.
Best answer:
Answer by Mark V
(1) Wind turbine electrical generators like we?ve all see, and some very interesting vertical rotors that many people haven?t seen and probably wouldn?t believe work
(2) Flying kites, playing with pinwheels, paper airplanes, model airplanes, and depending on how you?re defining ?air? in this case, even woodwind and brass musical instruments could be considered air-delivered leisure activities
(3) Kites through air resistance, airplanes and anything else with a similar wing through the Bernolli effect, para-sailing using a ram-air sail (looks like a huge maneuverable parachute), sky-diving both lifts the plain and brings you to terminal velocity ad slows your parachute. I would *not* consider hot air balloons. That really relies on heat and changing densities to maneuver (as much as a hot air balloon can maneuver).
What do you think? Answer below!
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