100 Foot Drop

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Insane

theres no way his bike will hold up to that much of a drop with out kicking his ass right out of the saddle unless he put car shocks on it, and even then he'd probably end up with broken bones in his legs or worse, his spine would compress and cause serious nerve and neurological damage. what a dumbass.

Oct 1 2005 10:26PM

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For him to land that drop, the tranny will have to be rediculously steep to land smoothly, which is Bender's other problem, he's has the most sketchiest landings.

Oct 2 2005 10:35AM

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cmo

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holy shit, your smart, if that shit is correct, than i agreee that dude should stick his head between his legs and kiss his butt goodbye

Oct 2 2005 10:44AM

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Phrosty

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you guys are wrong, the horizontal speed doen't mean shit. if you shoot a bullet out of a gun straight and drop one from the gun at the exact same time, they will both hit the ground at the same time.

Oct 2 2005 12:22PM

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sacchettiadam

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i cant wait to see the video for this

Oct 2 2005 12:23PM

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*Fujative*

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Crazy Fool

dude he is going to die

Oct 2 2005 12:30PM

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dtn13

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Insane

he lives for blood

Oct 2 2005 12:35PM

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Snowcase

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dumbfuck thats all i have to say

Oct 2 2005 12:59PM

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That depends on how high the gun away from the ground, because the bullet fired has a higher excelleration start off that just dropping a bullet.

Oct 2 2005 1:03PM

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*Fujative*

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Crazy Fool

haha

Oct 2 2005 1:25PM

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.nafus.

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hes right

Oct 2 2005 2:11PM

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dman1260

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sniper 6 is right, you have to take into account both the horizontal and vertical components of velocity since he will be taking a path like a projectile. So he wll be going faster than 53, even though it may not be much faster.

Oct 2 2005 8:00PM

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jambone

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Thank you. I'm in AP physics and we spent a hole class proving that cuz no one would believe it

Oct 2 2005 8:17PM

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ryan.c

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yeah who said differently? we did that in science 2 years ago, 2 objects if one projected forward n another dropped, both at the same height, will land at the same time

Oct 2 2005 8:19PM

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ryan.c

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it doenst matter, if the bullet is shot straight out and another one just dropped, and they are at the same height to start and where theyl end, theyl hit the ground at the same time

Oct 2 2005 8:21PM

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Thorvildsen

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i actually hope bender dies

Oct 2 2005 9:02PM

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skiierman

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You're a fucking tool. I don't care how young or who you are, you're just a fucking tool.

Oct 2 2005 9:15PM

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Fuck you too, never say that about a rider. Go back to Norway

Oct 2 2005 9:23PM

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Literature

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This will not work out on a mtn bike. I am sorry, but this guy, unless he is just talking shit like i think he is, is a dead man.

Oct 3 2005 12:35AM

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a-line

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yeah bender is one crazy fello i dont think he will stick it. seeing he didnt even make the Jaw drop. but i will give him props for trying. i just hope he doesnt die. he smokes like a chimney so maybe that will help him.

Oct 3 2005 12:54AM

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OK, to put an end to all this fucking bickering about who is right here is the real answer.

In this very situation (man on bike, dropping off cliff, onto landing) the horizontal velocity DOES NOT mean shit. As phrosty said, if you fired a bullet at exactly parallel to the ground, and on a flat surface, and dropped one at the exact same time, they would hit at the same time. Diagram 1:[url=http://putfile.com/pic.php?pic=10/27500241645.jpg&s=x1]

[/url]

BUT in a situation with mach speed projectiles, (some bullets are included in this) when the velocity is that high, the bullet covers so much ground so quickly that due the curvature of the earth, the bullet now has a somewhat upward velocity, away from the earth and the time elapsed will be slightly elongated due to the new upward velocity. Diagram 2:[url=http://putfile.com/pic.php?pic=10/27500252075.jpg&s=x1]

[/url]

But as i said, and as phrosty pointed out, in any practical situation involving a human being as the projectile, the horizontal VELOCITY does not matter to effect final speed. it will in fact effect the direction of the speed though. Because the horizontal velocity won't ever change from the time when it leaves the edge of the cliff until impact. "onbjects in motion will stay in motion until an outside force is presented"

So now the angle of the velocity is not jus straight down, but it is down 53 mph or w/e that guy calculated but also the initial horizontal velocity in the x direction. so now the angle of the velocity should be somewhat at the same angle of the tranny, if it is steep like soemone said. Here is a simple diagram i drew up. diagram 3: [url=http://putfile.com/pic.php?pic=10/27500261225.jpg&s=x1]

[/url]

I hope these pictures

Oct 3 2005 1:27AM

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here are links to the bigger diagrams...

http://x1.putfile.com/10/27500261225.jpg

http://x1.putfile.com/10/27500252075.jpg

http://x1.putfile.com/10/27500241645.jpg

Oct 3 2005 1:30AM

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snowbird4life

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whether hes going 40 or 55.212343284 mph hes still pretty fucked in my opinion.

Oct 3 2005 1:38AM

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feihlination

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100ft on a bike is huge. i dont think that anything in new world disorder 5: diorderly conduct was bigger than 50 ft.

although i have never heard of him, so i guess that he is going to have some serious damage.

Oct 3 2005 4:34AM

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Thorvildsen

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I am in Norway dumbass

Oh an bender is a fucktard

Oct 3 2005 4:45AM

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skiierman

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@th1337

Shit, you learn something new everyday.

Oct 3 2005 2:03PM

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Your diagrams are, good, but the tranny has we be way steeper for him not to break his legs, or any other part of his body due to impact.

Oct 3 2005 5:12PM

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twintipteles

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theoretically, if he built a model of the landing, except flat to the ground, and rode into it at about 60 mph, wouldn't that prepare him for the amount of impact of the jump? he should do that to practice and figure out how he needs to build the landing, however none of that will matter if he fucks up in the air.

Oct 3 2005 5:27PM

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Badfish2

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you need some arrows going up and at right angles where he'll hit to realize that when he hits the tranny, there will be the force of his 70lb bike and his weight coming up into his 'huge nuts' with speed of his drop.. and at that point, his horizontal speed matters and had better be high to compensate for the angle of the tranny, or else he's fucked - thrown off the bike into oblivion and into realTV segments for life with a crushed pelvis, legs, forearms, and probably chest or face.

Oct 3 2005 5:38PM

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I agree the horizontal velocity will effect the force of the crash, actually the more horizantal he has, the less of an impact he will suffer, but what i said was that the horizontal velocity will not effect the vertical velocity in anyway shape or form, unless he is going around mach 4.

Oct 3 2005 11:59PM

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brogilvie

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I am dropping physics.

Oct 4 2005 12:52AM

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Insane

O.K., heres my thoughts on the matter of vertical and/or horizontal velocity. Yes, it is true that bender will accelerate at a rate of 9.8 m/s/s downward, however velocity is a measure of speed AND direction, and since bender will be traveling along a somewhat horizontal plane before going off the cliff so his SPEED will be the initial velocity + the acceleration of 9.8 m/s/s, or 53.whatever mph + his takeoff speed which could range between 25 mph depending on his in-run.

HOWEVER, none of this takes into effect the wind resistance of a person and a bike. Judging by personal experiance i would ESTIMATE, (this is purely a hypothetical guess) that his speed would decrease by a good 5 mph while in the air, however brief the period will be.

After all this thought, i would put bender's speed at about 55 mph when he does in fact hit the ground, which would undoubtedly cause massive damage to him and whatever bike he may be riding.

And P.S. to all of you who think that a bullet fired from a gun would hit the ground the same time a bullet dropped from the same height would, you are WRONG. even if both were shot/dropped on a LEVEL surface miles and miles long, the fired bullet would hit later. Why? because after leaving the muzzle of a firearm, a bullet will accually rise a slight bit and then drop in a parabolic sort of manner. If you don't believe use a laser to boresight a gun then fire the same gun at a target 100 yards away. If it is a medium caliber rifle such as a .308, 30-30, 30.06, or 270 the target will show that the bullet rises approximetly 1" (of course this will vary based on powder charge, caliber, and bullet grain weight)but the pricipal is the same.

Oct 4 2005 1:05AM

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WRONG. You cannot add his horizontal velocity to his vertical velocity. they are in different directions. As a matter of fact, the fast he is going horizontally, the softer the impact will be.

And about the gun thing. The gun has to be fired parallel to the ground. whether that be so the gun is slightly angled downward to make up for the upward projectile motion, then whatever. PARALLEL motion is the point here, not the mechanics of a gun

Oct 4 2005 1:14AM

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Insane

^ i didn't add his velocities, i added his initial velocity to the rate of acceleration downward to give a SPEED at which he hits the ground, not the velocity along the y axis as he hits. or at least thats what i was trying to say, i don't know if i worded it correctly.

Oct 4 2005 1:19AM

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ok, so what you said, was just re-iterating what i said, and drew up. good work, atleast we ahve some sort of sensible knowledge haha

Oct 4 2005 1:22AM

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Insane

I do however disagree on your statement that the horizontal velocity would have no bearing on benders speed when he hits the ground. I believe that his horizontal velocity plays a part in his SPEED when he hits, but if all you were looking at was his VELOCITY along the y axis i could see where you were coming from. And his horizontal velocity would seem to be rather inconsequential to his final speed due to the fact that most of his speed would be downward movement due to the amount of time gravity would have to pull bender down, but it would still play a role. And yes, it is nice to converse with someone who has knowledge of physics instead of some 12 year old claiming that he is right with no idea what he's talking about.

Oct 4 2005 1:41AM

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Badfish2

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No, you can't add the horizontal and vertical vectors. Yes, they are independant and every object falls at the same rate. But yes, they do combine. That's why drawing them is way easier to visualize.
a^2+b^2 = c^2

for a test you would be given "bender hit the ground at 60mph, and drove off the cliff in a straight line.. calculate how fast he drove off the cliff. assume a perfect projectile"
.. there you're given c^2 and can work backwards.. blah blah.

Oct 4 2005 8:21AM

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Dirty_Ape

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he should just put alot of pow on the landing so his impact, horizontal, vertical or whatever matters is reduced,giving him a greater chance of surviving and riding of into the sunset uninjured.

Oct 4 2005 9:20AM

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I think it would play a little more role than you think in the impact though, because the faster he is going in the x-direction, the smoother the landing will be, because with the 2 vectors for both directions combined, it will create an angle of velocity that is more parallel to the landing ramp, and creating a longer time of impact. And as long as you can increase the time of impact, the force per seconds, (fractions of a second) can be more spread out, with a overall softer landing

Oct 4 2005 9:55AM

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Insane

^ i said nothing about how the horizontal speed would effect impact, just his speed when he hits the ground. and yes, the faster he stravels outwards the less the impact will be, however seeing as this is a 100 ft drop on a mtb, he's screwed.

Oct 4 2005 5:20PM

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Over all who thinks its duable?

Oct 6 2005 12:03AM

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french_fry

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well wouldn't the horizontal component affect the velocity at which he lands, since you'd have to find, for the vertical component his velocity when he hits the ground and then use pythagoras to figure out the overall velocity since you already know the horizontal velocity which doesn't change? Anyways for all the bullet controversy, imagine you were shooting an arrow with a bow, parallel to the ground instead...

Oct 6 2005 12:31AM

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jsg

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u are quite the math guy arnt u

Oct 6 2005 1:10AM

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