How Does Bernoulli's Principle Impact Fluid Dynamics Applications?

jasonbans
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1. what is the Bernoulli's Principle ?
 
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What do you think it is?
 
something about air flow but i had a hard time understanding the concept
 
Well what does the principle say?
 
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In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question. Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point? Lets call the point which connects the string and rod as P. Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...
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