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11.13-11.14

Watch the series of centripetal acceleration Khan Academy vids: 
 
 
 
Remember, if you can understand what the force is doing,
you can understand what the acceleration is doing→
F = ma!
 
 
 






https://www.khanacademy.org/science/physics/two-dimensional-motion/centripetal-acceleration-tutoria/v/visual-understanding-of-centripetal-acceleration-formula





Question:  what is the best path for a car going 240mph to take this turn?







Yiheng youtube:
https://www.youtube.com/watch?v=l1QLG5bG27U&list=PLLbvVfERDon3nP0JRpAzze-1KfUiou4AK&index=8


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See:
http://www.eng.auburn.edu/~marghitu/MECH2110/Dynamics/D1.pdf

for derivation of acceleration vector:






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Lab:
see: http://en2302.blogspot.com/2015/01/rock-on-stick.html?view=flipcard


Use the velocity and radius of a weight swinging in a circle to measure acceleration due to gravity.

 

Extra Credit bucket challenge:
Make a youtube of yourself swinging a bucket of water over your head!