So it's true—something weird is going on here.Of course, there is a difference between a tossed ball and a jumping human. While in the air, a human could pull their feet up which would change the position of the center of mass. As Josh rotates his arms around, it also moves his feet closer and then farther from the center of mass.It is this oscillation that make it appear that he floats at the top of the jump!However, this comes at a cost.

Kyron Cumby #20. 5:58. That's because the video data is just marking his feet, which does not represent the whole body. The motion of a human can't be represented by just one point, because humans can move their body. - Josh Imatorbhebhe vertical jump. Jordan Holmes #84. Mister Buzz.

@KyleNewport However, it is somewhat surprising that the parabolic fit gives a t-squared coefficient of -4.9 m/sHow about a quick comparison?

Watch Josh Imatorbhebhe's 47.1 inch vertical jump - YouTube 0:31. Josh Imatorbhebhe (The Opening) Vertical Jump 47.1" (WR/2016) USC Commit - CollegeLevelAthletes.com

Waving his arms makes a cool effect, but he doesn't jump as high (as measured by his feet). We recently showcased a video of USC WR commit Josh Imatorbhebhe going from a standstill into a full-on backflip.

il y a 4 ans | 1K vues.

After that, I can use my favorite free software When a ball is tossed into the air, its position-time graph should be a parabola.

À suivre. Concours de saut vertical : 1m20 de hauteur jambes tendues sans élan. Chris Conley Vertical Jump Height . Imatorbhebhe was among the best performers at the showcase, ranking in the 99th percentile. The highest the foot gets is only 1.113 meters. I can model this in python (The red curve is a parabola since it's an object with a constant acceleration. I can model this in python (The red curve is a parabola since it's an object with a constant acceleration. After that, I can use my favorite free software When a ball is tossed into the air, its position-time graph should be a parabola. This means that although the center of mass for the human moves in a parabola, the feet (or any point) by itself could move in some weirder fashion. Notice how the data from Josh's jump sort of oscillates around the parabolic plot? That's a difference of 3.3 centimeters (1.3 inches).

The WIRED conversation illuminates how technology is changing every aspect of our lives—from culture to business, science to design. USC Trojans wide receiver Josh Imatorbhebhe posted a 47.1-inch vertical leap at The Opening at Nike World Headquarters in high school

What would the motion of a tossed ball look like right next to the feet of Josh Imatorbhebhe? So it's true—something weird is going on here.Of course, there is a difference between a tossed ball and a jumping human.

While in the air, a human could pull their feet up which would change the position of the center of mass. Is this normal physics, some type of optical illusion, or just plain magic?In order to explore this epic jump, the first thing that needs to be done is to plot Imatorbhebhe's position as a function of time. The WIRED conversation illuminates how technology is changing every aspect of our lives—from culture to business, science to design. After watching the high school senior at The Opening, there shouldn't be many questions about Imatorbhebhe's athleticism.Imatorbhebhe was among the best performers at the showcase, ranking in the 99th percentile. What is even more impressive is his hand time at the top of the jump. Notice that the highest the ball travels (red curve) is 1.146 meters. 5. I can scale this video using Josh's height (1.88 meters). I can scale this video using Josh's height (1.88 meters). Mister Buzz. The fitting function deviates from the data—especially at the highest point.

Clearly, this isn't a parabola since it looks flat at the top (that's the part where he magically stays in the air). A great example of this is the So, you can see that fitting a parabola to this data for the motion of the foot doesn't quite work.

Donny Navarro #86. Crazy athleticism has helped North Gwinnett (Suwanee, Georgia) High School receiver Josh Imatorbhebhe stand out from the pack at The Opening, a showcase for the nation's top high school recruits.College coaches look for many things in a wideout—mainly good hands, speed and jumping ability. This hang time is created by his explosive arm movements. Take note of how he seems to hover in the air for a moment. The motion of a human can't be represented by just one point, because humans can move their body. Waving his arms makes a cool effect, but he doesn't jump as high (as measured by his feet). !

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