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What Keeps Planes Up?

January 20, 2016

Today Elena came to visit again to tell us about aerospace engineering.  

  
We talked about gravity and acceleration, and about projectiles thrown at an initial angle, and how trigonometry is used to determine horizontal and vertical components of velocity.

We then had a challenge, to make paper airplanes that flew the farthest. 

  
We had lots of different designs.

   
    
 
The paper ball ended up going the farthest.  We saw how air resistance can make a big difference!

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