How fast do I have to flap my arms to fly?
144449
you could flap your arms all day long a (BMPH) Billion Miles Per hour.heheh And you never get lift. See to under stand how birds fly you have to understand a birds body. First off a birds bones are hollow. Meaning less weight. Secondly the birds wings are shaped like a windfoil which gives lift. to explan how a wing works we will go into alittle physics of flight. To understand flight you have to understand how the wing is designed. \n\nfirst take a peice of postit note from one of the 5x3 inch pads. you need a pensile. bring the bottom side of the post it note to the top side where it is sticky. stick it together. Now you have a piece of paper simular to a tear drop. what you going to do is run the pencle between the opening to the other side. let the pice of paper float freely. hold the pencile with both hands one on one side of the paper and the other on the other side of the paper. Not put the not about 5 inches in front of your mouth and blow. Notice what happens the paper lifts. This is what is called lift. This is how birds fly. basicly when you blow on the paper the under side high presure goes under and low presure goes over the top. We will call it a win for now. But pending on how the wind is hitting it will depend on what direction the wing will go. If the tail end is faced up then the wing will go down it it's faced down the wing will go up. When it goes up that is called lift. and thats how birds fly.
52821
it is pretty easy just start out ina lung. then put your hands above your head.nextlean to the side and kick as hard as u can!!\n\nI should know i am a cheerleader
460221
No.  Among other issues, human bones are too dense to fly.  If you look at the bones of a bird, they are completely different.  Also, our arms do not pivot in their sockets in the same way as wings, and we have no breastbone and keel to withstand the tension of flapping even if we had such arms, and we lack feathers.
202071
I have never ever flown by flapping my arms.
33128
To Skully:\nI often jump too quickly to answer a question, but it's a bad habit.  Solar sails and radiometers:\nhttp://en.wikipedia.org/wiki/Solar_sail\nhttp://en.wikipedia.org/wiki/Crookes_radiometer\n\nIn fact, light is responsible for the motion of all electrons.\n\nAs for the original question, I'm going to assume that you're a two meter long (rather tall, actually) 65 kilogram plank.  Your center of gravity would have to be displaced about .25 meters (off your feet) to tip you over.  Gravity exerts a maximum torque of about 80 N*m on you.  At the top of your head, that torque produces 40 newtons.  When it's reflected, light exerts a "pressure" of 2*I/c where I is the intensity of light (in watts per meter^2).  Multiplying both sides by area and plugging this into my calculator produces about 6 billion watts (and remember, that's if you wear a reflective surface on your head and it's only enough to tip you over, not actually knock you down).  I'd say you're pretty safe from sudden "light gusts".
601636
try this site that I saw:\n\nhttp://www.style.org/unladenswallow/\n\n--------------------------\n\nIt is estimated that the average cruising airspeed velocity of an unladen European Swallow is roughly 11 meters per second, or 24 miles an hour
1037789
Well, to start with you will need atleast 100,000 hrs of logged flight time. And the first step is taking flying lessons. So the local yello pages should be a good place to start. Btw, Just to be able to Solo, you will need to have 48 hrs of ground school training.
428789
Most modern military fighter aircraft can go almost any climb rate. You would need to specify a specific aircraft for me to better assist you.
1152677
Just like how it sounds: The faster you move your arms, the faster your legs will move. This is why my coach always yells, "ARMS!" lol
697168
The faster an object (in this case your arm) is moving, the more mass in the direction it's travelling it has.\n\nYou have to overcome the inertia (tendancy to stay in place in this case) holding the paper sheets to each other.  If you pull the roll slowly the paper doesn't tear and instead pulls out more paper; however, if you snap it quick the paper'll break off for you.  In other words: you produce more inertia in another direction than the paper can resist.\n\nA martial artist puts lots of power behind the motion, therefore building up enough inertia to break the board.  Olympic weightlifters do it too: rather than moving slowly to lift the weight and therefore wasting energy, they instead lift it as quickly as possible, putting all the energy they can into the lift.
20646
Commercial planes generally travel at over 200 miles per hour.  Even if the plane were traveling as slowly as 80 miles per hour when it crashed, you wouldn't be able to offset that speed.  If you jumped, maybe you could knock off 5 to 10 mph off of that.  You'd be better off staying in your seat with your seatbelt buckled.
397024
spread your wings and fly
347594
I'm just learning about the planes from my personal trainer so I'm no expert.  I don't think the exercises specifically work the plane.  you work IN the plane.\nYou want alternate which plane you're working in. So if you do an exercise with your arms in front of you, for your next arm exercise you'd want them behind you, or out at the side. Same for your legs.
728806
flying faster than the gravitational pull that is pulling you back
516665
Left or right? <g>\n\n15 to 80 times per second (depending on the size of the bird).\n\nMultiply that by 60, OK?\n\n"Q: How fast do hummingbirds flap their wings? \n A: For small hummers like Ruby-throated, about 55 times per second. Normal flight speed is about 25 MPH." \n\nSee link ...
746505
Probably under 100pds...Depends on your height also...
857842
If flies slightly farther, but not significantly