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Messages - Turkenlukz

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« on: April 25, 2004, 12:56:44 pm »
qoute
\"tygerwilde
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Registration Date: June 2003
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Umm, turkenlukz, sorry to tell you this man, but your arguement defies algebraic formula.

I learned last year that an objects speed when falling is determined by multiplying it\'s density by it\'s height then dividing by friction. if dropped on it\'s side from a high enough height a penny could indeed cut through someone\'s head. I\'ve never done the math, so I don\'t know if it could do it from the empire state building or not...

Also, since force =mass multiplied by speed squared, a penny traveling at thirty miles an hour is like being hit by a single penny with the mass of 900 pennies.

that\'s a lot of weight for such a small surface area.
end quote\"
 
This is the exact reason I said, please feal free to flame now, I knew someone who did not have the whole facts would dispute me, I do however aknowledge the fact that I was wrong, I thought the speed was 30.2 mph err whatever, and only typed 30, and it is 60.2. I just did not feel like typing all that in about mythbusters, which is where I learned the same thing.

THANKS alot, I really appreciate that Oru
Qoute
\"The terminal velocity of a penny is about 60.3 miles per hour (I think it was). It does not have the force to break bone or usually even break the skin. On Mythbusters (on the Discovery channel) they rigged up a staple gun to shoot pennies at terminal velocity. They also shot eachother with it and only came out with a few bruises.
They also rigged a rifle or shotgun or some other form of firearm to shoot a penny at about the same speed as a bullet. When shot at the same speed as a bullet, it had the same effect as a bullet and shattered the dummy head they were using to prove that a penny *cannot* fall off the Empire State Building and kill people at the bottom or wedge itself in the concrete unless somehow someone shot from the top with a gun.\"
End Qoute

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« on: April 24, 2004, 02:30:18 pm »
actually, things can only speed up to a certain degree based upon there shape and areodynamics. For instance, a penny can not exceed 30 miles an hour i beleave it is. If you were to drop a penny from the empire state building, assuming that the wind did not blow it into the the ledge that is 3 stories down, which is often the case, when it finaly hit the ground it would not have enough impact to even leave a mark, and would only leave a small bruise on someones head. Given the wind that blows constantly through caves, and the roundness (semi areodynamic, yet too bulky) of a pebble or rock, it would probaly bounce along so to speak, the wind channels, and by the time it hit the ground would make little more than a thud, and the crater would be little more than a cintemeter deep at most. Sorry physics go out the window when you stick things in a cave, and then consider the shape of the object. Well that is my two cents, feel free to flame.

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« on: April 24, 2004, 02:18:40 pm »
the skill level, would also help to limit the level at which people power level

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