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Exercise ball

In my room I have a blue exercise ball that I like to sit on or put my feet up on or basically do anything but exercise with. While looking at this ball, I remembered a video I had seen a little while ago of a child getting hit very hard with an exercise ball. The video is below if you haven't seen it.  Basically, this is one of the dumber things I've seen, but the kids obviously weren't well versed in the concept of momentum. The smaller child was gonna absorb most of the force from the colli

zlessard

zlessard

Egg drop lab

The objective of this lab was basically to have the egg touch the paper without cracking. Our group went through many calculations and measurements in order to get a solution to this problem, and during this process we made a big mistake that went unnoticed until the application of our calculation failed miserably. We went through many measurements in order to find the spring constant of the 2 rubber bands put together. We found an experimental spring constant of many different masses hanging on

zlessard

zlessard

Coin fall

If you've ever been at the top of a large building with a group of people, there's usually that one person that says "what if I spit from here?" or "what if I dropped a coin right now?". Well, people usually warn against these acts for fear of hurting a pedestrian down below. The question is, how badly could dropping a coin hurt somebody if this were to happen? In reality, the coin could not hurt somebody very badly. Coins are very light weight, as a penny weighs around 1 gram, and tumble e

zlessard

zlessard

Bladeless fan

A product that has definitely grabbed my attention lately has been the Dyson bladeless fan. I'm not only interested due to the fact that they are $300 fans, they are just really cool. The fan is made up of a hollow tube on top, with a base below that. The air that comes out of the fan is actually pulled through this base, and runs up into the tube of the fan. This tube acts like a ramp, and the air runs along this ramp and eventually is pulled to the front of the fan where the air is pushed out

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zlessard

Baseball vs Softball

Yesterday I was talking with my friends and we started talking about pitching, as I used to be a pitcher myself prior to this year. We ended up discussing how the way softball pitchers throw does much less damage to your arm than the way a baseball pitcher throws. Because of this, softball pitchers are able to throw every game, while baseball pitchers throw once every 5 days or so, and I definitely understand how much a shoulder can hurt in the days following a pitching outing. It really made me

zlessard

zlessard

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