Thursday, November 15, 2012

Dynamics PMB: Real or Fake?

Kobe Bryant Jumps a pool of snakes

Real or Fake?

Hypothesis and Conclusion:

I do believe that Kobe jumped a pool full of snakes, but I do not believe he did it without the use of camera tricks and editing. Kobe Bryant weighs 206lbs and is 6'6'', for that amount of mass to move through the air at that length would be nearly impossible. According to the laws of inertia, specifically the first law, an object in motion will stay in motion unless acted upon by an alternate or opposing force (such as gravity). Kobe Bryant flew through the air with one running jump and dunking in a Basketball hoop is 10' high (average height for a hoop)and jumped from an estimated '13 feet away (assuming that the pool was at least 8' wide and was placed 5' away from the hoop). One of the longest dunk in history was done by a player by the name of Serge Ibaka (6'10'' and  235.9lbs) , he jumped from behind (pretty much on) the foul line (13'9'' from the hoop).



A dead giveaway for Kobe's stunt was the fact that there were multiple camera angles in the clip and during the jump; you can never clearly see the exact location on where Kobe's foot landed before the initial jump. Due to the laws of inertia Kobe could not sustain the height he did with out an added projectile force (such as a trampolines recoil{Newton's Third Law}), and for further evidence, you can actually see this force as you see his legs go up behind him during his air time. Like this... but with less failure:



 When watching Ibaka's dunk, his feet are under him for the majority of the air-time; unlike Bryants jump. Long story short, Kobe used a trampoline, unless somehow gravity affected him less, it would be impossible to move that amount of mass without an equal downward force as the upward force.

TL;DR  He used a trampoline, It was hidden using camera tricks.



----Q: Why does letting a small ball drop on top of a larger ball make such a dramatic difference in bounce?

---- A: Newton's Second and Third Law

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