Linear Systems and Review: Feynman's Physics Explained
Many systems are 'linear,' which simply means double the cause and you double the effect. The magic of linear systems is superposition: break a complicated push into simple parts, find the response to each, then add the responses to get the total. This 'divide and conquer' trick is why we can solve so many problems, from electrical circuits to quantum mechanics.
The big idea
In a linear system, you can solve the pieces and just add them up.
Think about it
If one speaker makes a certain sound, what does superposition predict two identical speakers will do?
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