Which falls faster a Feather or a Bowling Ball

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kcsteve

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Even in an infinite vacuum, neither object would get faster than terminal velocity. This is why sky divers, not matter how high they start from, do not travel at faster than about 125 mph once they reach that speed.
That reminded me of a Nat Geo tv show that recorded a falcon diving over 200 mph by changing their aerodynamic shape. Apparently, skydivers have learned to fall faster than terminal velocity by studying the Peregrine Falcon. It was a cool show. I'll bet it's on YouTube.
 
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If the plane falling to earth and the woman floating in it are both experiencing 'zero gravity' then why are they both headed to toward the earth..... I guess the answer is that if they were in space it would be the same and they would be 'falling' toward somethings, all the different gravitational pulls in all different directions.... but I don't think gravity is confined to the speed of light... so in reality we are being effected by the mass of all the objects of the universe simultaneously?
 
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I was a builder for 40 years and what I know about gravity the higher you are when you fall the more it hurts
it isn't the falling that hurts. It is that sudden impact with what ever you land on. In my case it was from about 30 feet onto the desert floor. Actually, I don't remember the fall, or anything leading up to it. Post fall I wasn't conscious for a day or so. Then I became aware that it is possible for ones hair and fingernails to hurt. At least until the morphine kicked in. By the way, it still hurts, you just don't give a damn.
 
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What most folks don't consider is that the crazy Italian dropped items of the same shape but either different weights or materials to prove his theory.

Change the shape so that they are different and all else being equal the theory doesn't apply.

Take two pieces of flat steel the same weight and dimensions. Drop one with the larger flat surface down and the other end on.

The one dropped end on will fall faster. Why? The drag created by the larger surface area meeting the air resistance.
 

caryc

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What most folks don't consider is that the crazy Italian dropped items of the same shape but either different weights or materials to prove his theory.

Change the shape so that they are different and all else being equal the theory doesn't apply.

Take two pieces of flat steel the same weight and dimensions. Drop one with the larger flat surface down and the other end on.

The one dropped end on will fall faster. Why? The drag created by the larger surface area meeting the air resistance.
I've still never seen a 16 pound feather. ;)
 
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My point was how big a box would it have to be to hold 16 pounds of feathers and so one could not pick it up because of the size of them.

I still think in space the bowling ball would travel faster than the feather.... because of its mass what ever larger object, say a planet, its gravitational pull would affect the bowling ball more than the feather...... but many of the physicist here disagree with me...
 
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Here's something to ponder over. Take something that weighs the same as a feather and the same shape as a bowling ball. A BB maybe?? Which one would fall the fastest...the bowling ball or the BB?? Heck i don't know.. Just wondering.
 
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It all has to do with string theory, which I readily admit I don't have a clue about.... even though I do keep string around but have never wrapped it up in a big ball.
Seems the smart folks can't quite figure out gravity and math can't explain it all.... I also think that it is not contained to the speed of light.... so even though the gravitational pull of a distant star or planet is infitesamaly small to us. if it was to disappear it affects us instantly? but then they really can't do that according to Einstein .... because matter can't be created or destroyed.... it is like when you burn natural gas.... it takes a small amount of energy to light it if you have the right amount of oxygen..... so you are mixing oxygen and natural gas... which is hydrogen and carbon.... when the energy stored in the atom is released guess what else you get from this? two items.... Carbon Dioxide, which is carbon and oxygen... and water which is.... Hydrogen and Oxygen..... nothing is lost and you are only releasing energy that has been stored in the atoms.

If the universe is expanding doesn't that mean we and everything around us is also expanding? I know at least the middle part of me is.....
 

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